Explore topic-wise MCQs in Engineering.

This section includes 9294 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

501.

Match the following:

List I List II
A.JFET1.
B.DMOSFET2.
C.TRIAC3.
D.Enhancement-only channel MOSFET4.
A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-4, D-1
C. A-3, B-2, C-1, D-4
D. A-4, B-3, C-1, D-2
Answer» D. A-4, B-3, C-1, D-2
Discussion
502.

Match the following:

List I List II
A.Bode1.Asymptotic plots
B.Evans2.Polar plots
C.Nyquist3.Root locus technique
4.M and N circles
A. A-1, B-4, C-2
B. A-2, B-3, C-4
C. A-3, B-1, C-4
D. A-1, B-3, C-2
Answer» E.
Discussion
503.

Match the following:

List I List II
A.Conductor1.
B.Semiconductor2.
C.Insulator3.
A. A-1, B-3, C-2
B. A-3, B-1, C-2
C. A-1, B-2, C-3
D. A-2, B-3, C-1
Answer» B. A-3, B-1, C-2
Discussion
504.

Match the following:

List I List II
A.LED1.Heavy Doping
B.Avalanche Photodiode2.Coherent Radiation
C.Tunnel diode3.Spontaneous Emission
D.LASER4.Current gain
A. A-2, B-4, C-3
B. A-2, B-3, C-1, D-4
C. A-3, B-4, C-1, D-2
D. A-2, B-1, C-4, D-3
Answer» D. A-2, B-1, C-4, D-3
Discussion
505.

Match the following:

List I List II
A.1.
B.2.
C.3.
D.4.
A. A-2, B-4, C-1, D-3
B. A-4, B-2, C-1, D-3
C. A-2, B-4, C-3, D-1
D. A-4, B-2, C-3, D-1
Answer» E.
Discussion
506.

Match the following:

List I (Types of N-bit ADC) List II (Characteristics)
A.Flash converter1.Integrating Type
B.Successive2.Fastest converter approximation
C.Counter ramp3.Maximum conversion time = N bits
D.Dual slow4.Used a DAC in its feedback path
A. A-2, B-3, C-4, D-1
B. A-1, B-3, C-4, D-2
C. A-2, B-4, C-3, D-1
D. A-1, B-4, C-3, D-2
Answer» B. A-1, B-3, C-4, D-2
Discussion
507.

Match the following:

List I List II
A.e-t ⋃ (t)1.
B.2.j X( )
C.3.
D.4.
A. A-1, B-4, C-2, D-3
B. A-3, B-2, C-4, D-1
C. A-1, B-2, C-4, D-3
D. A-3, B-4, C-2, D-1
Answer» E.
Discussion
508.

Match the following:

List I List II
A.Detection of a periodic signal in noise1.Increase in bandwidth
B.Recovery of a band limited signal from its uniformly sampled values2.Slope overload error
C.Finer quantization of signal3.Nyquist rate
D.Delta modulation4.Cross correlation
A. A-4, B-3, C-1, D-2
B. A-3, B-4, C-2, D-1
C. A-4, B-3, C-2, D-1
D. A-4, B-2, C-1, D-3
Answer» B. A-3, B-4, C-2, D-1
Discussion
509.

Match the following:

List I List II
A.200 MHz1.SHF
B.20 GHz2.UHF
C.500 kHz3.VHF
D.500 MHz4.MF
A. A-3, B-1, C-4, D-2
B. A-3, B-2, C-4, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-4, C-2, D-1
Answer» B. A-3, B-2, C-4, D-1
Discussion
510.

Match the following:

List I List II
A.( x E)ds = 01.Continuity equation
B.rv.dv = Q2.Ampere's law
C.(J + D)ds3.Gauss law
D.-rvdv4.Faraday's law
E.H.dl = ( x H)ds5.Stoke's theorem
A. A-4, B-3, C-2, D-1, E-5
B. A-1, B-2, C-3, D-4, E-5
C. A-4, B-2, C-1, D-3, E-5
D. A-1, B-5, C-4, D-2, E-3
Answer» B. A-1, B-2, C-3, D-4, E-5
Discussion
511.

Match the following:

List I (Antenna) List II (Communication system)
A.Turnstile1.Radar
B.Yagi2.TV transmission
C.Dish3.MW broadcasting
D.Vertical mast4.TV reception
A. A-4, B-2, C-3, D-1
B. A-2, B-4, C-1, D-3
C. A-2, B-4, C-3, D-1
D. A-4, B-2, C-1, D-3
Answer» D. A-4, B-2, C-1, D-3
Discussion
512.

Match the following:

List I List II
A.PMMC1.Square law type scale
B.Moving iron2.Very good response
C.Thermo-couple3.Linear scale
D.Electrostatic4.Voltmeter
A. A-4, B-1, C-2, D-3
B. A-3, B-2, C-1, D-4
C. A-4, B-2, C-1, D-3
D. A-3, B-1, C-2, D-4
Answer» E.
Discussion
513.

Match the following:

List I (Microwave device) List II (Application)
A.Reflex Klystron1.Wideband amplification
B.TWT2.Very low power amplification
C.Cavity Klystron3.Low power FM generation
D.Maser4.Frequency multiplication
A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-1, C-4, D-2
Answer» E.
Discussion
514.

Match the following:

List I (Properties) List II (Relations)
A.Linear but NOT time-invariant1.y(t) = t2x(t)
B.Time-invariant but NOT linear2.y(t) = t |x(t)|
C.Linear and time invariant3.y(t) = |x(t)|
4.y(t) = x(t - 5)
A. A-1, B-3, C-4
B. A-2, B-3, C-4
C. A-3, B-1, C-2
D. A-1, B-2, C-3
Answer» B. A-2, B-3, C-4
Discussion
515.

Match the following:

List I List II
A.Darlington amplifier1.A circuit using pnp and npn transistors
B.CB amplifier2.A CS amplifier driving a CG amplifier
C.Cascade amplifier3.A circuit with over-all voltage gain close to 1 and very large input impedance
D.Complementary symmetry amplifier4.A circuit with low input impedance
A. A-1, B-2, C-3, D-4
B. A-2, B-1, C-3, D-4
C. A-3, B-4, C-2, D-1
D. A-4, B-3, C-2, D-1
Answer» D. A-4, B-3, C-2, D-1
Discussion
516.

Match the following:

List I (BJT amplifier) List II (Characteristics)
A.CE1.good voltage gain, good current gain
B.CC2.voltage gain less than 1, high current gain
C.CB3.current gain less than 1, voltage gain high
A. A-1, B-2, C-3
B. A-1, B-2, C-3
C. A-3, B-1, C-2
D. A-3, B-2, C-1
Answer» C. A-3, B-1, C-2
Discussion
517.

Match the following:

List I List II
A.Silicon1.Donor Impurity
B.Antimony2.Acceptor Impurity
C.Gallium3.Most Commonly used semiconductor material
D.Germanium4.Atomic number 32
A. A-3, B-1, C-2, D-4
B. A-2, B-3, C-1, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-3, C-2, D-1
Answer» B. A-2, B-3, C-1, D-4
Discussion
518.

Match the following:

List I List II
A.Evanescent wave1.Pattern multiplication
B.Skip distance2.Mismatched transmission line
C.Return loss3.Propagation in lossy medium
D.Antenna array4.Short wave propagation
5.Propagation below cut-off
A. A-5, B-2, C-4, D-3
B. A-2, B-4, C-1, D-5
C. A-5, B-4, C-2, D-1
D. A-1, B-3, C-4, D-5
Answer» D. A-1, B-3, C-4, D-5
Discussion
519.

Match the following:

List I (Binary) List II (Hexadecimal)
A.101010101.FF
B.111111112.88
C.100010003.92
D.100100104.AA
A. A-4, B-1, C-2, D-3
B. A-1, B-2, C-3, D-4
C. A-3, B-1, C-2, D-4
D. A-1, B-3, C-4, D-1
Answer» B. A-1, B-2, C-3, D-4
Discussion
520.

Match the following:

List I List II
A.Integrated fin line1.
B.Dielectric loaded waveguide2.
C.Ridge waveguide3.
A. A-1, B-2, C-3
B. A-2, B-3, C-1
C. A-3, B-2, C-1
D. A-2, B-1, C-3
Answer» C. A-3, B-2, C-1
Discussion
521.

Match the following:

List I (Operation in Basic) List II (Priority)
A.Exponentiation1.1
B.Multiplication and division2.2
C.Addition and subtraction3.3
D.Expression within parenthesis4.4
A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-1, D-4
C. A-4, B-3, C-2, D-1
D. A-2, B-3, C-4, D-1
Answer» E.
Discussion
522.

Match the following:

List I (Double Rectifier) List II (Number of Diodes)
A.Full wave Bridge rectifier1.1
B.Half wave rectifier2.2
C.Full wave rectifier using centre tapped transformer3.4
A. A-1, B-2, C-3
B. A-3, B-1, C-2
C. A-2, B-1, C-3
D. A-3, B-1, C-2
Answer» C. A-2, B-1, C-3
Discussion
523.

Match the following:

List I List II
A.GTO1.Widely used in digital computers
B.UJT2.Used for freewheeling
C.Power Diode3.Can be turned off by negative gate signal
D.MOSFET4.Used in generating triggering pulses
A. A-1, B-2, C-3, D-4
B. A-4, B-2, C-3, D-1
C. A-3, B-4, C-2, D-1
D. A-2, B-1, C-3, D-4
Answer» D. A-2, B-1, C-3, D-4
Discussion
524.

Match the following:

List I (Roots in s plane) List II (Impulse response)
A.Two imaginary roots1.
B.Two complex roots in right half plane2.
C.A single root on negative real axis3.
D.A single root at origin4.
A. A-2, B-3, C-1, D-4
B. A-1, B-2, C-3, D-4
C. A-4, B-3, C-2, D-1
D. A-3, B-2, C-4, D-1
Answer» B. A-1, B-2, C-3, D-4
Discussion
525.

Match the following:

List I (Microwave device) List II (Application)
A.PIN diode1.Microwave amplification
B.GaAs MOSFET2.Low noise microwave generation
C.Transferred electron device3.Electronic tuning of MW oscillator
D.Varactor diode4.Light wave detection
A. A-1, B-2, C-4, D-3
B. A-4, B-1, C-2, D-3
C. A-2, B-3, C-1, D-4
D. A-3, B-4, C-2, D-1
Answer» C. A-2, B-3, C-1, D-4
Discussion
526.

Match the following:

List I List II
A.Digital counter1.Measurement of harmonics
B.Schering Bridge2.Measurement of frequency
C.Meggar3.Measurement of loss angle of dielectric
D.Spectrum analyser4.Measurement of insulation resistance
A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-2, B-3, C-4, D-1
D. A-4, B-1, C-3, D-2
Answer» D. A-4, B-1, C-3, D-2
Discussion
527.

Match the following:

List I List II
A.IF noise1.Ganged tuning
B.Image frequency2.Spurious response
C.Station selector3.Leaky filter capacitor
D.Excessive Hum4.Mixer stage
A. A-3, B-2, C-1, D-4
B. A-2, B-3, C-1, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-2, C-1, D-3
Answer» E.
Discussion
528.

Match the following:

List I (Operator) List II (Description)
A.! =1.Left shift
B.= =2.Right Shift
C.< <3.Equal to
D.> >4.Not equal to
A. A-1, B-2, C-3, D-4
B. A-2, B-3, C-4, D-1
C. A-4, B-1, C-3, D-2
D. A-4, B-3, C-1, D-2
Answer» E.
Discussion
529.

Match the following:

List I List II
A.1.a constant
B.e-j 2.exponential function
C.3.t multiplied exponential function
D.k ( )4.rectangular pulse
5.impulse function
A. A-4, B-5, C-3, D-1
B. A-4, B-5, C-3, D-2
C. A-3, B-4, C-2, D-1
D. A-3, B-4, C-2, D-5
Answer» B. A-4, B-5, C-3, D-2
Discussion
530.

Match the following:

List I List II
A.TTL1.Low propagation delay
B.ECL2.Low power consumption
C.MOS3.High packing density
D.CMOS4.Saturated bipolar logic
A. A-4, B-1, C-3, D-2
B. A-4, B-3, C-1, D-2
C. A-4, B-3, C-2, D-1
D. A-3, B-1, C-4, D-2
Answer» B. A-4, B-3, C-1, D-2
Discussion
531.

Match the following:

List I (F.T and F.S) List II (Properties)
A.Fourier Series1.Discrete, Periodic
B.Fourier Transform2.Continuous, Periodic
C.Discrete Time Fourier3.Discrete aperiodic
D.Discrete Fourier Transform4.Continuous, aperiodic
A. A-3, B-4, C-2, D-1
B. A-1, B-2, C-4, D-3
C. A-3, B-2, C-4, D-1
D. A-1, B-4, C-2, D-3
Answer» B. A-1, B-2, C-4, D-3
Discussion
532.

Match the following:

List I List II
A.Simple dipole1.
B.Omnidirectional antenna2.
C.Loop antenna3.
A. A-1, B-2, C-3
B. A-2, B-1, C-1
C. A-3, B-2, C-1
D. A-1, B-1, C-2
Answer» C. A-3, B-2, C-1
Discussion
533.

Match the following:

List I List II
A.Fourier transform of a Gaussian function1.Gaussian function
B.Convolution of a rectangular pulse with itself2.Rectangular pulse
C.Current through inductor for step input voltage3.Triangular pulse
4.Ramp function
5.Zero
A. A-1, B-2, C-3
B. A-2, B-4, C-5
C. A-1, B-3, C-4
D. A-2, B-3, C-5
Answer» D. A-2, B-3, C-5
Discussion
534.

Match the following:

List I List II
A.T (Reflection coefficient) = 01.(ZL - Zo)/(ZL + Zo)
B.T = - 12.ZL = Zo
C.T = + 13.ZL = 0
D.- 1 < T < + 14.ZL =

A. A-2, B-3, C-4, D-1
B. A-2, B-4, C-1, D-3
C. A-1, B-2, C-3, D-4
D. A-3, B-2, C-4, D-1
Answer» B. A-2, B-4, C-1, D-3
Discussion
535.

Match the following:

List I List II
A.C1.7 eV
B.Si2.1.15 eV
C.Ge3.0.75 eV
D.Sn4.0.1 eV
E.Pb5.0 eV
A. A-2, B-3, C-4, D-5, E-1
B. A-1, B-2, C-3, D-4, E-5
C. A-3, B-1, C-2, D-5, E-4
D. A-4, B-5, C-1, D-2, E-3
Answer» C. A-3, B-1, C-2, D-5, E-4
Discussion
536.

Match the following:

List I (Diode circuit) List II (Name of the circuit)
A.1.Positive limiter
B.2.Positive clamper
C.3.Negative clamper
A. A-2, B-3, C-1
B. A-1, B-2, C-3
C. A-2, B-1, C-3
D. A-3, B-1, C-2
Answer» B. A-1, B-2, C-3
Discussion
537.

Match the following:

List I (Memories) List II (Characteristic)
A.Static PLA1.erasable, programmable
B.CCD2.ultra high speed
C.ECL3.stores large volume of data
D.GAL4.Does not need refreshing
5.Non-volatile
A. A-4, B-3, C-2, D-1
B. A-4, B-2, C-3, D-1
C. A-5, B-1, C-2, D-3
D. A-3, B-5, C-2, D-1
Answer» D. A-3, B-5, C-2, D-1
Discussion
538.

Match the following:

List I List II
A.Copper1.produces discrete energy level just above valence band
B.Rubber2.produces discrete energy level just below conduction band
C.Antimony3.large forbidden gap
D.Boron4.valence and conduction bands overlap
A. A-1, B-2, C-4, D-3
B. A-4, B-1, C-2, D-3
C. A-4, B-3, C-1, D-2
D. A-2, B-1, C-3, D-4
Answer» D. A-2, B-1, C-3, D-4
Discussion
539.

Match the following:

List I List II
A.A1 cos 2pf1t1.
B.A1 A2 cos 2pf1t cos 2pf2t2.v1 (t) v2 (t)
C.3., f1, - f1
D.f1 + f2, f1 - f2, - f1 + f2, - f1 - f24.A1 cos 1t
A. A-3, B-1, C-4, D-2
B. A-1, B-2, C-3, D-4
C. A-4, B-2, C-1, D-3
D. A-3, B-1, C-2, D-4
Answer» B. A-1, B-2, C-3, D-4
Discussion
540.

Match the following:

List I List II
A.AM-DSB FC1.2
B.WBFM2.1
C.PCM3.3m
D.AM-DSB4.22N
A. A-1, B-2, C-3, D-4
B. A-2, B-1, C-4, D-3
C. A-2, B-3, C-4, D-1
D. A-4, B-3, C-2, D-1
Answer» D. A-4, B-3, C-2, D-1
Discussion
541.

Match the following:

List I (Power device) List II (Max. frequency)
A.Power Bipolar1.MHz
B.Power MOSFET2.100 kHz
C.SCR3.10 kHz
D.Insulated gate bipolar transistor4.1 kHz
A. A-2, B-1, C-3, D-4
B. A-3, B-4, C-2, D-1
C. A-3, B-1, C-4, D-2
D. A-4, B-1, C-3, D-2
Answer» D. A-4, B-1, C-3, D-2
Discussion
542.

Match the following:

List I List II
A.loop antenna1.flat line
B.folded dipole2.300 W
C.SWR of 13.sharp broadside full
D.VHF band4.30 to 300 MHz
A. A-1, B-4, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-2, C-1, D-4
D. A-2, B-3, C-1, D-4
Answer» D. A-2, B-3, C-1, D-4
Discussion
543.

Match the following:

List I List II
A.Sky wave1.parasitic elements
B.Antenna feed2.delta match
C.Reflector3.long-wire antenna
D.Rhombic antenna4.ionosphere
A. A-1, B-3, C-4, D-2
B. A-2, B-1, C-3, D-4
C. A-1, B-2, C-3, D-4
D. A-4, B-2, C-1, D-3
Answer» E.
Discussion
544.

Match the following:

List I (Camera pick up tubes) List II (Special feature)
A.Vidicon1.Highest sensitivity
B.Plumbicon2.Temperature sensitive
C.Saticon3.Large lag
D.New vicon4.Special target for red response
A. A-4, B-3, C-2, D-1
B. A-1, B-2, C-3, D-4
C. A-3, B-4, C-2, D-1
D. A-4, B-3, C-1, D-2
Answer» D. A-4, B-3, C-1, D-2
Discussion
545.

Match the following:

List I (Modes) List II (Characteristic)
A.Evanescent1.Rectangular waveguide does not support
B.Dominant mode2.No wave propagation
C.TM10 and TM013.Lowest cut-off frequency
A. A-1, B-2, C-3
B. A-2, B-3, C-1
C. A-1, B-3, C-2
D. A-2, B-1, C-3
Answer» C. A-1, B-3, C-2
Discussion
546.

Match the following:

List I List II
A.Servomotor1.Error detector
B.Amplidyne2.Transducer
C.Potentiometer3.Actuator
D.Flapper valve4.Power amplifier
A. A-3, B-1, C-2, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-4, C-1, D-2
D. A-3, B-4, C-2, D-1
Answer» E.
Discussion
547.

Match the following:

List I (Types of memory) List II (Used As)
A.DRAM1.Cache memory
B.SRAM2.Main memory
C.Parallel Access Registers3.BIOS memory
D.ROM4.CPU registers
A. A-1, B-4, C-2, D-3
B. A-3, B-4, C-2, D-1
C. A-1, B-2, C-4, D-3
D. A-3, B-2, C-4, D-1
Answer» D. A-3, B-2, C-4, D-1
Discussion
548.

Match the following:

List I List II
A.Reflex Klystron1.High efficiency
B.Dielectric loaded wave guide2.Slow wave structure
C.TWT3.Cross field device
D.Multi Cavity Klystron4.Oscillator
A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-2, D-1
C. A-2, B-4, C-1, D-3
D. A-3, B-1, C-4, D-2
Answer» C. A-2, B-4, C-1, D-3
Discussion
549.

The pole locations of three networks and their impulse responses are given figure

List I List II
A.1.
B.2.
C.3.
A. A-1, B-2, C-3
B. A-2, B-1, C-3
C. A-3, B-1, C-2
D. A-3, B-2, C-1
Answer» D. A-3, B-2, C-1
Discussion
550.

Match the following:

List I List II
A.Tunnel diode1.is also known as hot carrier diode
B.PIN diode2.used with reverse bias
C.Zener diode3.has an intrinsic layer
D.Schottky diode4.v-i curve has shape of N
A. A-2, B-3, C-1, D-4
B. A-4, B-3, C-2, D-1
C. A-3, B-2, C-4, D-1
D. A-1, B-2, C-3, D-4
Answer» C. A-3, B-2, C-4, D-1
Discussion