Explore topic-wise MCQs in Engineering.

A(n) ________ amplifier configuration has an input impedance approximately equal to the input resistor Ri and an output impedance approximately equal to the output impedance of the op-amp itself.

Which of the following circuits is referred to as a BiMOS circuit?

Refer to the given figure. A dc voltage of 1.2 V is applied. VCC = 12 V. What is the output voltage?

In the differential amplifier circuit, which of the following terminals are connected together?

In a common-source amplifier, the purpose of the bypass capacitor, C2, is to

Refer to this figure. The voltage gain is

Which of the following applies to MOSFETs?

A BJT is a ________-controlled device. The JFET is a ________ - controlled device.

How many terminals can a MOSFET have?

Refer to the following figure. Calculate VGS at ID = 8 mA for k = 0.278 10 2 A/V2.

What is the purpose of adding two Zener diodes to the MOSFET in this figure?

Referring to the following transfer curve, determine the level of VGS when the drain current is 20 mA.

The region to the left of the pinch-off locus is referred to as the ________ region.

Refer to the following curves. Calculate ID at VGS = 1 V.

Which of the following is (are) the advantage(s) of VMOS over MOSFETs?

Which of the following transistor(s) has (have) depletion and enhancement types?

It is the insulating layer of ________ in the MOSFET construction that accounts for the very desirable high input impedance of the device.

The BJT is a ________ device. The FET is a ________ device.

Referring to this transfer curve. Calculate (using Shockley's equation) VGS at ID = 4mA.

The drain current will always be one-fourth of IDSS as long as the gate-to-source voltage is ________ the pinch-off value.

The transfer curve is not defined by Shockley's equation for the ________.

What is the ratio of ID / IDSS for VGS = 0.5 VP?

Referring to this transfer curve, determine ID at VGS = 2 V.

Refer to this figure. If ID = 4 mA, IDSS = 16 mA, and VGS(off) = 8 V, find VDS.

If ID = IDSS / 2, gm = ________ gmo.

Which of the following FETs has the lowest input impedance?

The three terminals of the JFET are the ________, ________, and ________.

Which of the following is (are) the terminal(s) of a field-effect transistor (FET).

For an FET small-signal amplifier, one could go about troubleshooting a circuit by ________.

Referring to this figure, calculate Av if yos = 20 S.

Refer to this Figure. If Vin was increased in amplitude a little, the signal voltage at the source of Q2 would

Refer to the given figure. The op-amp has a unity-gain bandwidth of 1.7 MHz. Find the bandwidth of the circuit.

An RC network has R = 500 k and C = 10 pF. Find the value of fc.

What is the cutoff frequency of an op-amp if the unity-gain frequency is 1.5 MHz and the open-loop gain is 100,000?

A JFET cascade amplifier employs

Open-loop voltage gain of an op-amp can range up to ________.

The midrange open-loop gain of an op-amp is 135 dB. With negative feedback this gain is reduced to 72 dB. The closed-loop gain is

This circuit is an example of a ________.

What is the scale multiplier (factor) of a basic integrator?

Calculate the overall voltage gain of the circuit if R1 = 100 and Rf = 1 k.

What is the voltage gain of the unity follower?

Determine the total discharge time for the capacitor in a clamper having C = 0.01 F and R = 500 k.

Which of the following applies to a safe MOSFET handling?

Which of the following ratings appear(s) in the specification sheet for an FET?

What is the level of drain current ID for gate-to-source voltages VGS less than (more negative than) the pinch-off level?

A common-gate amplifier is similar in configuration to which BJT amplifier?

The intensity of LED is greatest at ________ degrees and the least at ________ degrees.

The reverse saturation current Is will just ________ in magnitude for every 10 C increase in temperature.

In a particular problem, which mode has the highest level of IDQ?

The full-wave voltage doubler provides ________ filtering action than (as) the half-wave voltage doubler.

A(n) ________ amplifier configuration has an input impedance approximately equal to the input resistor R_i and an output impedance approximately equal to the output impedance of the op-amp itself.

Refer to the given figure. A dc voltage of 1.2 V is applied. V_CC = 12 V. What is the output voltage?

In a common-source amplifier, the purpose of the bypass capacitor, C₂, is to

A BJT is a -controlled device. The JFET is a - controlled device.

Refer to the following figure. Calculate V_GS at I_D = 8 mA for k = 0.278 10² A/V².

Referring to the following transfer curve, determine the level of V_GS when the drain current is 20 mA.

Refer to the following curves. Calculate I_D at V_GS = 1 V.

The BJT is a device. The FET is a device.

Referring to this transfer curve. Calculate (using Shockley's equation) V_GSat I_D = 4mA.

The drain current will always be one-fourth of I_DSS as long as the gate-to-source voltage is ________ the pinch-off value.

What is the ratio of I_D / I_DSS for V_GS = 0.5 V_P?

Referring to this transfer curve, determine I_D at V_GS = 2 V.

Refer to this figure. If I_D = 4 mA, I_DSS = 16 mA, and V_GS(off) = 8 V, find V_DS.

If I_D = I_DSS / 2, g_m = ________ g_mo.

The three terminals of the JFET are the , , and .

Referring to this figure, calculate A_v if y_os = 20 S.

Refer to this Figure. If V_in was increased in amplitude a little, the signal voltage at the source of Q₂ would

An RC network has R = 500 k and C = 10 pF. Find the value of f_c.

Calculate the overall voltage gain of the circuit if R₁ = 100 and R_f= 1 k.

What is the level of drain current I_D for gate-to-source voltages V_GS less than (more negative than) the pinch-off level?

The intensity of LED is greatest at degrees and the least at degrees.

The reverse saturation current I_s will just ________ in magnitude for every 10 C increase in temperature.

In a particular problem, which mode has the highest level of I_DQ?