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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
1. |
Thermal compensation can be provided in a Wheatstone bridge by ________ |
A. | using more than one resistive sensor |
B. | making use of a heat sink |
C. | using cooling fans |
D. | immersing the circuit into a liquid |
Answer» B. making use of a heat sink | |
2. |
One of the simplest applications of a Wheatstone bridge is ________ |
A. | voltage measurement |
B. | current measurement |
C. | light measurement |
D. | power measurement |
Answer» D. power measurement | |
3. |
By using the variations on a Wheatstone bridge we can _________ |
A. | measure quantities such as voltage, current and power |
B. | measure high resistance values |
C. | measure quantities such as complex power |
D. | measure quantities such as capacitance, inductance and impedance |
Answer» E. | |
4. |
Wheatstone bridge is used to measure the d.c. resistance of various types of wires for _________ |
A. | determining their effective resistance |
B. | computing the power dissipation |
C. | quality control of wire |
D. | maintaining a source of constant e.m.f |
Answer» D. maintaining a source of constant e.m.f | |
5. |
Thermal compensation can be provided in a Wheatstone bridge by _______? |
A. | using more than one resistive sensor |
B. | making use of a heat sink |
C. | using cooling fans |
D. | immersing the circuit into a liquid |
Answer» B. making use of a heat sink | |
6. |
One of the simplest applications of a Wheatstone bridge is _______? |
A. | voltage measurement |
B. | current measurement |
C. | light measurement |
D. | power measurement |
Answer» D. power measurement | |
7. |
By using the variations on a Wheatstone bridge we can |
A. | measure quantities such as voltage, current and power |
B. | measure high resistance values |
C. | measure quantities such as complex power |
D. | measure quantities such as capacitance, inductance and impedance |
Answer» E. | |
8. |
How can a Wheatstone bridge be used for the measurement of physical parameters? |
A. | in conjunction with a rectifier |
B. | along with an op amp |
C. | by connecting it to a thermistor |
D. | by making use of a transducer |
Answer» C. by connecting it to a thermistor | |
9. |
The types of faults in a telephone line are ________ |
A. | line to line or line to ground |
B. | triple line to line or line to ground |
C. | open circuit and short circuit |
D. | symmetrical and unsymmetrical |
Answer» B. triple line to line or line to ground | |
10. |
Telephone companies make use of the Wheatstone bridge for _________ |
A. | measuring the telephone resistance |
B. | computing the line strength |
C. | maintaining dialtone |
D. | locating the cable faults |
Answer» E. | |
11. |
Wheatstone bridge is used to measure the d.c. resistance of various types of wires for |
A. | determining their effective resistance |
B. | computing the power dissipation |
C. | quality control of wire |
D. | maintaining a source of constant e.m.f |
Answer» D. maintaining a source of constant e.m.f | |
12. |
Wheatstone bridge is used to measure resistance in the range of ________ |
A. | 1Ω to a few megaohms |
B. | 10kΩ to a few megaohms |
C. | 100MΩ to a few gegaohms |
D. | 100Ω to a few teraohms |
Answer» B. 10k‚âà√≠¬¨¬© to a few megaohms | |
13. |
Wheatstone bridge is a __________ |
A. | a.c. bridge |
B. | d.c. bridge |
C. | high voltage bridge |
D. | power dissipation bridge |
Answer» C. high voltage bridge | |