Numerical - Load to give equal error with two wattmeter connections for given IL , V & P.F.

Q.  A wattmeter has a pressure coil resistance of 5K ohm and current coil resistance of 0.02 ohm. What load will give equal error with the two connections if the load current is 15 A at a voltage of 240 V and 0.8 power factor
- Published on 10 Nov 15

a. 20 A
b. 24 A
c. 28 A
d. 32 A

ANSWER: 24 A

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