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3. The two Watt meters A and B, give readings as 500 Watts and 1000 Watts respectively during the power measurement of 3-phase, 3-wire system. Calculate the total power of the circuit. [SSC JE EE 2021]

2. How many pressure coils and current coils, respectively, are present in a three-phase dynamometer wattmeter? [SSC JE EE 2022)

1. If a wattmeter is used in a circuit where safe voltage or current rating is exceeded, the meter will…………….[SSC JE EE 2017]

5. Electrodynamometers are used extensively for the measurement of. [SSC JE EE 2017]

4. What benefit does the dynamometer wattmeter have among the following? [SSC JE EE 2022]

3. The moving coil in a dynamometer wattmeter is connected [SSC JE EE 2009]

2. For use in AC circuits, potential coil circuit of electrodynamic wattmeter should be purely [SSC JE EE 2010]

1. When two wattmeter method of measuring of power is used to measure power in a balanced three phase circuit; if one of the wattmeter reading is zero, then [SSC JE EE 2018]