Explore topic-wise MCQs in ENGINEERING SERVICES EXAMINATION (ESE).

This section includes 37 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.

1.

__________ are difficult to measure using Wheatstone bridge.

A. Higher resistances
B. Currents
C. Lower resistances
D. Voltages
Answer» D. Voltages
2.

A Wheatstone bridge is balanced when the galvanometer shows __________ reading.

A. 0A
B. 1A
C. Infinity
D. -1A
Answer» B. 1A
3.

The star and delta networks would be electrically equal if resistances measured between any pair of terminals __________

A. Is different
B. Greater in star
C. Greater in delta
D. Is equal
Answer» E.
4.

The other name for Delta connection is ___________

A. Star connection
B. Pi connection
C. T connection
D. Y connection
Answer» C. T connection
5.

If P/Q=1, unknown resistance S=1000Ω and R could be varied from 0 to 100Ω then the bridge could be ___________

A. A balanced circuit
B. A rectified circuit
C. An unbalanced circuit
D. An identical circuit
Answer» D. An identical circuit
6.

 The Wheatstone Bridge is mainly used to measure ______________

A. Currents
B. Voltages
C. Node potentials
D. Resistances
Answer» E.
7.

 A 122mv, 12mA d’Arsonval movement is to be used in voltmeter whose full scale reading is 120v. The resistance inserted by 120v _____________

A. 1200Ω
B. 12000Ω
C. 1000Ω
D. 10,000Ω
Answer» E.
8.

A 100mv, 5mA d’Arsonval movement is to be used in an ammeter whose full-scale reading is 1A. Calculate RA.

A. 0.7 ohms
B. 0.5 ohms
C. 0.1 ohms
D. 0.2 ohms
Answer» D. 0.2 ohms
9.

An ideal ammeter functions as __________ circuit

A. A short
B. An open
C. A power
D. An infinite
Answer» B. An open
10.

An ideal voltmeter functions as __________ circuit

A. A short
B. An open
C. A power
D. An infinite
Answer» C. A power
11.

Digital meters are preferable than analog meters.

A. True
B. False
Answer» B. False
12.

Continuous voltages (or) current signals are measured using

A. Tachometers
B. Sonometers
C. Analog meters
D. Digital meters
Answer» E.
13.

An ideal voltmeter has ___________ equivalent resistance and ideal ammeter has ___________ equivalent resistance.

A. Unity, Unity
B. Zero, infinite
C. Infinite, Zero
D. Zero, Zero
Answer» D. Zero, Zero
14.

 ____________ helps in current measurement by placing it in ____________ with the circuit element.

A. Voltameter, Parallel
B. Ammeter, series
C. Voltmeter, series
D. Ammeter, parallel
Answer» C. Voltmeter, series
15.

Why is current division necessary?

A. In series current is the same
B. In parallel current differs
C. Because the voltage is also different
D. Because of Kirchhoff’s laws.
Answer» C. Because the voltage is also different
16.

Where current division problem arises

A. Series connected resistors
B. Series connected resistors
C. When resistors are equal
D. Both series and parallel resistors.
Answer» C. When resistors are equal
17.

Where voltage division problem arises

A. Series connected resistors
B. Parallel connected resistors
C. When resistors are equal
D. Both series and parallel resistors.
Answer» B. Parallel connected resistors
18.

The analysis of a circuit containing dependent sources can be done using nodal and mesh analysis.

A. True
B. False
Answer» B. False
19.

In an ICVS which is the controlled source and which one is the dependent source?

A. V-controller, I-dependent
B. V-dependent, I-controller
C. Both V and I are controllers
D. Both V and I are dependent
Answer» C. Both V and I are controllers
20.

 In a VCIS which is the controlled source and which one is the dependent source?

A. V-contorller, I-dependent
B. V-dependent, I-controller
C. Both V and I are controllers
D. Both V and I are dependent
Answer» B. V-dependent, I-controller
21.

n case of a dependent voltage/current source, the value of this voltage/current source depends on _________

A. Voltage/current sources of an external circuit
B. Voltage/current source present somewhere in the circuit
C. Only on voltage sources
D. Only on current sources
Answer» C. Only on voltage sources
22.

Dependent sources are _____________ types.

A. 3
B. 2
C. 4
D. 1
Answer» D. 1
23.

A junction whell two (or) more than two network elements meet is known as a ______________

A. Node
B. Branch
C. Loop
D. Mesh
Answer» B. Branch
24.

 The basic laws for analyzing an electric circuit are :-

A. Einstein’s theory
B. Newtons laws
C. Kirchhoff’s laws
D. Faradays laws
Answer» D. Faradays laws
25.

 All _____________ are loops but _______________ are not meshes

A. Loops, Meshes
B. Meshes, loops
C. Branches, loops
D. Nodes, Branches
Answer» C. Branches, loops
26.

KCL is based on the fact that

A. There is a possibility for a node to store energy.
B. There cannot be an accumulation of charge at a node
C. Charge accumulation is possible at node
D. Charge accumulation may or may not be possible
Answer» C. Charge accumulation is possible at node
27.

The current passing through a circuit is 7.2A and the power at the terminals is 27 watts.
Existence is ___________ ohms.

A. 0.5402
B. 0.5208
C. 0.5972
D. 0.5792
Answer» C. 0.5972
28.

The opposing capacity of materials against the current flow is

A. Conductance
B. Inductance
C. Susceptance
D. Resistance
Answer» E.
29.

Controlled sources are also known as

A. Independent sources
B. Dependent sources
C. Ideal sources
D. Voltage sources
Answer» B. Dependent sources
30.

The symbol used for representing Independent sources

A. Diamond
B. Square
C. Circle
D. Triangle
Answer» D. Triangle
31.

‘Positive Power’ meaning ___________

A. Power is being delivered to circuit
B. Power is being extracted from circui
C. No power supply
D. Input and output powers are equal
Answer» B. Power is being extracted from circui
32.

The energy per unit charge is

A. Voltage
B. Power
C. Current
D. Work
Answer» B. Power
33.

Separation of charge creates

A. Current
B. Voltage
C. Resistance
D. Friction
Answer» C. Resistance
34.

Charge is

A. Unipolar
B. Bipolar
C. Tripolar
D. Non – Polar in nature
Answer» C. Tripolar
35.

 Which of the following is a correct relation?

A. Giga>Mega>Tera
B. Mega>Tera>Giga
C. Tera>Mega>Giga
D. Tera>Giga>Mega
Answer» E.
36.

The basic unit for luminous intensity is

A. Ampere
B. Candela
C. Coulomb
D. Radian
Answer» C. Coulomb
37.

 Which of the following is a defined quantity?

A. Pressure
B. Polarity
C. Money
D. Length
Answer» E.