1. A moving coil voltmeters measures
A. only ac voltages
B. only dc voltages
C. both a and b
D. none of these
A. direct current and voltages
B. alternating current and voltages
C. radio frequency currents
D. both a and b
A. only ac voltages
B. only dc voltages
C. both a and b
D. none of these
Ans: B
2. Moving iron instruments can be used for measuring:
A. direct current and voltages
B. alternating current and voltages
C. radio frequency currents
D. both a and b
An: D
3. Which type of instrument is called universal instrument ?
A. moving iron
B. moving coil
C. both A and B
D. none of these
3. Which type of instrument is called universal instrument ?
A. moving iron
B. moving coil
C. both A and B
D. none of these
Ans: A
4. Maxwell-wein bridge is used for measuring
A. capacitance
B. dielectric loss
C. inductance
D. phase angle
4. Maxwell-wein bridge is used for measuring
A. capacitance
B. dielectric loss
C. inductance
D. phase angle
Ans: C
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