The adjustment of the position of shading bands, in an energy meter, is done to provide
1). Friction compensation
2). Creep compensation
3). Braking torque
4). Lag adjustment
To measure radio frequency, the suitable frequency meter is
1). Weston frequency meter
2). reed vibrator frequency meter
3). heterodoxy frequency meter
4). electrical resonance frequency meter
Resistance can be measured with
1). Ammeter
2). Voltmeter
3). Ohm-meter and resistance bridges
4). Wattmeter
The resistance can be measured most accurately by
1). Voltmeter-ammeter method
2). bridge method
3). multimeter
4). Megger
The energy meter installed at a residence charges the consumer for use of:
1). Apparent power
2). True power
3). Reactive power
4). Product of voltage and current