1. The current coil should be connected on the load side
2. The current coil should be connected on the supply side
3. The pressure coil should be connected on the load side
4. A compensated wattmeter with pressure coil connected on the load side should be used
A compensated wattmeter with pressure coil connected on the load side should be used
1. Unity
2. zero (lagging)
3. 0.5 (lagging)
4. less than 0.5 (lagging)
less than 0.5 (lagging)
1. Square of the flux of the permanent magnet
2. Speed of the meter
3. Distance of the permanent magnet from the center of the providing disc
4. All of these
All of these
1. 900
2. 00
3. 450
4. none of these
900
1. 00
2. 450
3. 600
4. 900
900
1. To make the current coil flux to lag 900 behind the applied voltage
2. To make the pressure coil flux to lag 900 behind the applied voltage
3. To bring the pressure coil flux in phase with the applied voltage
4. None of these
To make the pressure coil flux to lag 900 behind the applied voltage
1. -0.061%, +6.1%
2. +0.061%, -6.1%
3. -0.061%,-6.1%
4. -6.1%,-6.1%
-0.061\%,-6.1\%
1. To isolate the current and potential circuits
2. To reduce power loss during testing
3. For meters having low current ratings
4. To test members having a large current rating for which loads may not be available
To test members having a large current rating for which loads may not be available
1. Shading bands which are actuated by to provide constant torque irrespective of load
2. Lag circuits
3. Drilling holes in the disc
4. None of these
Shading bands which are actuated by to provide constant torque irrespective of load
1. Lag adjustment
2. Light load adjustment
3. Adjusting the position of braking magnet and making it come closer to the center of the disc
4. Adjusting the position of braking magnet and making it move away for the center of the disc
Light load adjustment