Question: The power in a d.c circuit is measured with the help of ammeter and a voltmeter. The voltmeter is connected on the load side.the power indicated by the product of reading of two instruments (VI) is :
Answer:
MCQ: The power in a d.c circuit is measured with the help of ammeter and a voltmeter. The voltmeter is connected on the load side.the power indicated by the product of reading of two instruments (VI) is :
Correct Answer:
A. The power consumed in the load
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Related Questions
- 1. In an electrodynamometer type of wattmeter :
- 2. In electrodynamometer type wattmeters, current coils designed for carrying heavy currents use stranded wire or laminated conductors :
- 3. In electrodynamometer type of wattmeters , the inductance of pressure coil circuit produces error
- 4. A capacitor is connected across a portion of resistance of the multiplier in order to make the pressure coil circuit non-inductive. The value of resistance is r while the total resistance and inductance of pressure circuit are respectively <strong><em>R<sub>p</sub></em></strong> and <strong><em>L.</em></strong>The value of capacitor C is:
- 5. when measuring power with the electrodynamometer wattmeter in a circuit where the load current is small
- 6. when measuring power with the electrodynamometer wattmeter in a circuit where the load current is large
- 7. when measuring power with the electrodynamometer wattmeter in a circuit having a low power factor :
- 8. The power in a 3 phase four wire circuit can be measured by using
- 9. The power in 3 phase circuit is measured with the help of 2 wattmeters. The reading of the one of the wattmeters is positive and that of the other is negative. The magnitude of reading is different. it can concluded that the power factor of the circuit is :
- 10. Power consumed by a simple dc circuit can be measured with the help of a single ammeter if
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