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Why we specifically note resistance in a circuit while all part of a wire have some resistance..???
The resistance of the rest of the circuit compared to the resistance of the resistor is negligible.
how an electronic circuit works as a regulator?
“what is meant by power factor?”
In AC circuits, Power factor is defined as the ratio of true power to apparent power.
If φ is the phase difference between E and I, then
True Power = EvIv cos φ and the Apparent Power is EvIv