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.

Electrical continuity between any two points exists if _________

A. there is current flow through them
B. there is a wire connecting the points
C. there is sufficient voltage drop
D. pointer shows deflection
Answer» E.
2.

Continuity between any two points can be measured using _________

A. ammeter
B. voltmeter
C. megger
D. galvanometer
Answer» D. galvanometer
3.

Megger can be used for verifying the electrical insulation level of ____________

A. passive components such as resistance, capacitor and inductance
B. devices such as motor, cable, etc
C. solid state devices
D. liquid crystal devices
Answer» C. solid state devices
4.

How is the megger calibrated?

A. in steps of 1 unit per division
B. based on the value of resistance to be measured
C. directly calibrated on the position of the pointer
D. reversely calibrated based on the pointer position
Answer» E.
5.

What is the significance of a megger with respect to high resistance?

A. it is used to limit the current
B. it is used to provide stability
C. used for measuring high resistance with respect to ground
D. it is used for temperature protection
Answer» D. it is used for temperature protection
6.

The application of a megger is _________

A. to measure resistance
B. to test for leakage
C. to limit the current
D. to increase the emf of the circuit
Answer» C. to limit the current
7.

Megger is also known as _________

A. megaohmmeter
B. multimeter
C. galvanometer
D. ammeter
Answer» B. multimeter
8.

Electrical continuity between any two points exists if

A. there is current flow through them
B. there is a wire connecting the points
C. there is sufficient voltage drop
D. pointer shows deflection
Answer» E.
9.

Continuity between any two points can be measured using

A. ammeter
B. voltmeter
C. megger
D. galvanometer
Answer» D. galvanometer
10.

Megger can be used for verifying the electrical insulation level of

A. passive components such as resistance, capacitor and inductance
B. devices such as motor, cable, etc
C. solid state devices
D. liquid crystal devices
Answer» C. solid state devices
11.

Why is the scale of a megger calibrated in megaohms?

A. to indicate resistance
B. to minimise the current flow
C. to increase the voltage drop
D. to reduce the temperature
Answer» B. to minimise the current flow