A pure resistance is connected to an ac source of 220V,50Hz . What will be the phase difference between the current and emf in the circuit?
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The actual opposition to the current flowing through a coil in an AC circuit is determined by the AC Resistance of the coil with this AC resistance being represented by a complex number. But to distinguish a DC resistance value from an AC resistance value, which is also known as Impedance, the term Reactance is used.
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