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In which of the following case, power factor will be negligible A) inductance and resistance both high B) inductance and resistance both low C) low resistance and high inductance D) high resistance and low inductance?
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In which of the following case, power factor will be negligible A) ind...
The power factor is a measure of how effectively electrical power is being utilized in a circuit. It is the ratio of the actual power (real power) to the apparent power (product of voltage and current). A power factor of 1 indicates maximum power utilization, while a power factor close to 0 indicates poor power utilization.

In order to determine in which case the power factor will be negligible, let's analyze the given options:

A) Inductance and resistance both high:
- When both inductance and resistance are high, it implies that the circuit has significant reactance and resistance.
- In this case, the power factor will not be negligible because even though the inductance causes a phase shift between the voltage and current, the resistance will contribute to the real power, resulting in a non-negligible power factor.

B) Inductance and resistance both low:
- When both inductance and resistance are low, it implies that the circuit has minimal reactance and resistance.
- In this case, the power factor will not be negligible because without significant reactance, the phase shift between the voltage and current will be minimal, resulting in a non-negligible power factor.

C) Low resistance and high inductance:
- When the resistance is low and the inductance is high, it implies that the circuit has significant reactance but minimal resistance.
- In this case, the power factor can be negligible because the inductance will cause a large phase shift between the voltage and current, resulting in a lower power factor.

D) High resistance and low inductance:
- When the resistance is high and the inductance is low, it implies that the circuit has minimal reactance but significant resistance.
- In this case, the power factor will not be negligible because without significant reactance, the phase shift between the voltage and current will be minimal, resulting in a non-negligible power factor.

Therefore, the correct answer is C) low resistance and high inductance, where the power factor can be negligible.
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In which of the following case, power factor will be negligible A) ind...
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In which of the following case, power factor will be negligible A) inductance and resistance both high B) inductance and resistance both low C) low resistance and high inductance D) high resistance and low inductance?
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