A voltage of about 200 V can be measured__________________?

A. Directly by a d.c. potentiometer
B. A d.c. potentiometer in conjunction with a volt ratio box
C. A d.c. potentiometer in conjunction with a known resistance
D. None of the above

In a meggar controlling torque is provided by______________?

A. Spring
B. Gravity
C. Coil
D. Eddy current

In a low power factor wattmeter the pressure coil is connected_______________?

A. To the supply side of the current coil
B. To the load side of the current coil
C. In any of the two meters at connection
D. None of the above

The scale of a rectifier instrument is_________________?

A. Linear
B. Non-linear
C. Either a. or b.
D. Neither a. nor b.

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be_____________?

A. Almost zero
B. Low
C. High
D. None of the above

In a low power factor wattmeter the compensating coil is connected_______________?

A. In series with current coil
B. In parallel with current coil
C. In series with pressure coil
D. In parallel with pressure coil

An induction wattmeter can be used for_________________?

A. Both d.c. and a.c.
B. D.c. only
C. A.c. only
D. Any of the above

A dynamometer wattmeter can be used for______________?

A. Both d.c. and a.c.
B. D.c. only
C. A.c. only
D. Any of the above

The multiplier and the meter coil in a voltmeter are in________________?

A. Series
B. Parallel
C. Series-parallel
D. None of the above

For measuring current at high frequency we should use_______________?

A. Moving iron instrument
B. Electrostatic instrument
C. Thermocouple instrument
D. None of the above