Measurement of energy involves _________ Options: A . &nbspinductance and capacitance measurement B . &nbsppower consumption and time duration C . &nbspresistance measurement and voltage drop D . &nbspcurrent consumption and voltage drop

Measurement of energy involves ________

Question

Measurement of energy involves _________

Options:

A . inductance and capacitance measurement

B . power consumption and time duration

C . resistance measurement and voltage drop

D . current consumption and voltage drop

Answer: Option B
Answer: (b).power consumption and time duration

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Question 1. An electronic energy meter makes use of ___________....

Question 2. Average power is _________....

Question 3. Choose the correct statement regarding two watt-meter method for power measurements in 3-phase circuit.....

Question 4. The meter constant of a single-phase, 230 V induction watt-meter is 600 rev/kW-h. The speed of the meter disc for a curr....of 15 A at 0.8 power factor lagging will be?

Question 5. In the measurement of 3-phase power by 2 watt-meter method, if the 2 watt-meter readings are equal, the power factor of ....readings are equal, the power factor of the circuit is?

Question 6. A coil (which can be modelled as a series RL circuit) has been designed for high Q performance. The voltage is rated at ....of Q factor and the active power P will be?

Question 7. Two watt-meters, which are connected to measure the total power on a three-phase system supplying a balanced load, read ....20.5 kW and -3.5 kW respectively. The total power is?

Question 8. A circuit is used to measure the power consumed by the load. The current coil and the voltage coil of the watt-meter hav....measured power (as compared to the load power) will be?

Question 9. The line to line input voltage to the 3-phase, 50 Hz, AC circuit, is 100 V rms. Assuming that the phase sequence is RYB;....that the phase sequence is RYB; the watt-meters would read?

Question 10. A sampling watt-meter is used to measure the average power of a load. The peak to peak voltage of the square wave is 10 ....wave of 5A p-p. The reading in watt will be?

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