(C) In a purely resistive $AC$ circuit, the voltage $V$ and current $I$ are given by $V = V_m \sin(\omega t)$ and $I = I_m \sin(\omega t)$.Since the p

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Current and voltage are in same phase

(C) In a purely resistive $AC$ circuit, the voltage $V$ and current $I$ are given by $V = V_m \sin(\omega t)$ and $I = I_m \sin(\omega t)$.Since the phase angle for both is $\omega t$, there is no phase difference between them.Therefore, the current and voltage are in the same phase.

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

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An $AC$ source is connected to a purely resistive circuit. Which of the following is true?

A
Current leads the voltage and both are in same phase
B
Current lags behind the voltage and both are in same phase
C
Current and voltage are in same phase
D
Any of the above may be true depending upon the value of resistance

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Alternating Current

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Only Inductor, Only Capacitor and Only Resistor Circuit

In an $AC$-circuit containing only capacitance,the current

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The graphs given below depict the dependence of two reactive impedances $X_1$ and $X_2$ on the frequency of the alternating e.m.f. applied individually to them. We can then say that

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An inductor,a resistor,and a capacitor are joined in series with an $AC$ source. As the frequency of the source is slightly increased from a very low value,the reactance of the

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The reactance of a coil when used in the domestic $AC$ power supply $(220 \, V, 50 \, Hz)$ is $50 \, \Omega$. The inductance of the coil is nearly: (in $H$)

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$(i)$ What is the angle between the phasor of $V_R$ and $I$?
$(ii)$ The voltage phasor $V_C$ is ...... of the current phasor $I$. (Fill in the blank)

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An $AC$ source is connected to a purely resistive circuit. Which of the following is true?

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In an $AC$-circuit containing only capacitance,the current

The graphs given below depict the dependence of two reactive impedances $X_1$ and $X_2$ on the frequency of the alternating e.m.f. applied individually to them. We can then say that

An inductor,a resistor,and a capacitor are joined in series with an $AC$ source. As the frequency of the source is slightly increased from a very low value,the reactance of the

The reactance of a coil when used in the domestic $AC$ power supply $(220 \, V, 50 \, Hz)$ is $50 \, \Omega$. The inductance of the coil is nearly: (in $H$)

$(i)$ What is the angle between the phasor of $V_R$ and $I$?$(ii)$ The voltage phasor $V_C$ is ...... of the current phasor $I$. (Fill in the blank)

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$(i)$ What is the angle between the phasor of $V_R$ and $I$?
$(ii)$ The voltage phasor $V_C$ is ...... of the current phasor $I$. (Fill in the blank)