Ac through Resistor Only

ac through resistor only
Let an alternating emf be applied to a circuit containing resistor R only such type of circuit is called resistive circuit.
Let the emf applied to the circuit isac through resistor only
Let I be the current in the circuit then potential difference across the resistor is
ac through resistor only
ac through resistor only

with ohm’s law, we see that current is equal to voltage/resistance
This means the resistance R is resistance for ac which is in fact the resistance for dc. Therefore the behavior of R is same for ac and dc.

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