(C) Step $1$: For a pure resistor, the instantaneous voltage is given by $V = V_m \sin(\omega t)$.Step $2$: According to Ohm's law, the current is $I

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Voltage and current are in same phase with each other

(C) Step $1$: For a pure resistor, the instantaneous voltage is given by $V = V_m \sin(\omega t)$.Step $2$: According to Ohm's law, the current is $I = \frac{V}{R} = \frac{V_m}{R} \sin(\omega t) = I_m \sin(\omega t)$.Step $3$: Comparing the phase of voltage and current, both have the same phase angle $\omega t$.Step $4$: Therefore, the voltage and current are in the same phase.

Class 12 Physics Alternating Current Only Inductor, Only Capacitor and Only Resistor Circuit

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In a circuit containing a pure resistor connected to an $AC$ source,

KCET 2026 All KCET

A
Voltage leads the current by $90^\circ$
B
Current leads the voltage by $90^\circ$
C
Voltage and current are in same phase with each other
D
Current leads the voltage by $180^\circ$

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Only Inductor, Only Capacitor and Only Resistor Circuit

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In a circuit containing a pure resistor connected to an $AC$ source,

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