

MCQOPTIONS
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. |
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. | |