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when we have to use UPF wattmeter and LPF wattmeter?
what is the difference between UPF and LPF wattmeter in
terms of construction?
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Answer Posted / dilshad
UPF: Unity power factor. Used when circuit is resistive.
LPF: Low power factor. Used when circuit in inductive or capacitive (when pf in near to zero).
| Is This Answer Correct ? | 35 Yes | 2 No |
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