List of top Physics Questions on AC Circuits asked in CUET (UG)

An alternating current is given by the equation \[ i=i_1\sin\omega t+i_2\cos\omega t \] The \(i_{\mathrm{rms}}\) will be:

Given below are two statements: Assertion (A): In a pure inductive AC circuit, current lags voltage by \(90^\circ\). Reason (R): An inductor opposes the change in current flowing through it. Choose the correct answer from the options given below:

In an AC circuit containing a pure resistor, the phase difference between voltage and current is

In an AC circuit containing a pure resistor, the phase difference between voltage and current is

A capacitor of capacitance \(50\ \mu\text{F}\) is connected to an AC source of frequency \(50\ \text{Hz}\). The capacitive reactance is approximately:

In an AC circuit, the rms value of current is \(5\ \text{A}\). The peak current is:

An alternating current source driving a circuit is represented by the voltage equation \( V = 220\sqrt{2}\sin(100\pi t) \). What are the Root Mean Square (RMS) voltage value \( V_{\text{rms}} \) and the alternating frequency \( f \) of this source supply?

In a series $LCR$ circuit connected to an AC source of variable frequency, the values are given as $L = 2\,\text{H}$, $C = 32\,\mu\text{F}$, and $R = 10\,\Omega$. What is the resonant angular frequency $\omega_r$ of this circuit system?}

In an a.c. circuit, the rms voltage is \(100\sqrt{2}\) V. The peak value of voltage would be: