Explore topic-wise MCQs in Electrical Measurements.

This section includes 11 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.

In some energy meters, creeping can be avoided by __________

A. attaching small gold pieces
B. attaching small aluminium pieces
C. attaching small iron pieces
D. attaching small zinc pieces
Answer» D. attaching small zinc pieces
2.

Creeping is avoided by __________

A. reversing the polarity of the voltage
B. drilling two diametrically opposite holes
C. holding the disc
D. increasing the friction
Answer» C. holding the disc
3.

IN_SOME_ENERGY_METERS,_CREEPING_CAN_BE_AVOIDED_BY___________?$

A. attaching small gold pieces
B. attaching small aluminium pieces
C. attaching small iron pieces
D. attaching small zinc pieces
Answer» D. attaching small zinc pieces
4.

Creeping is avoided by _________?

A. reversing the polarity of the voltage
B. drilling two diametrically opposite holes
C. holding the disc
D. increasing the friction
Answer» C. holding the disc
5.

Disc rotates slowly in some energy meters.

A. True
B. False
Answer» B. False
6.

How can temperature effect be compensated in an energy meter?

A. through heat sinks
B. by a temperature shunt
C. by using resistance
D. by using a coolant
Answer» C. by using resistance
7.

How is the flux of shunt coil related to voltage?

A. flux is proportional to square of voltage
B. directly proportional
C. inversely proportional
D. independent of each other
Answer» B. directly proportional
8.

Supply voltage in an energy meter is __________

A. constant always
B. zero always
C. depends on the load
D. can fluctuate
Answer» E.
9.

Energy meter creeps __________

A. due to change in supply
B. due to reversal in polarity of voltage
C. due to asymmetry in magnetic circuit
D. due to turns ratio of transformer
Answer» D. due to turns ratio of transformer
10.

Phase angles in an energy meter cannot be incorrect.

A. True
B. False
Answer» C.
11.

Magnitude of flux in an energy meter varies __________

A. due to abnormal currents and voltages
B. due to high resistance and inductance values
C. due to change in the transformer turns
D. due to the induced e.m.f in the windings
Answer» B. due to high resistance and inductance values