List of top Physics Questions on Alternating current asked in AMUEEE

Figure shows a series $LCR$ circuit with $R = 200 \,\Omega,\, C = 15.0\, \mu F$ and $L = 230\, mH$. If $\varepsilon = 36.0\, sin\, 120\pi t$, the amplitude $I_{0}$ of the current $I$ in the circuit is close to

When an $A C$ source of voltage $V=V_{0} \sin 100 t$ is connected across a circuit, the phase difference between the voltage $V$ and current $I$ in the circuit is observed to be $\pi / 4$, as shown in figure. If the circuit consists possibly only of $R C$ or $R L$ or $L C$ in series, find possible values of two elements.

A pure inductor of $25 \,mH$ is connected to a source of $220\, V$. Given the frequency of the source as $50\, Hz$, the $rms$ current in the circuit is

A pure inductive coil of $ 30\,mH $ is connected to an $ AC $ source of $ 220 \,V $ , $ 50 \,Hz $ . The $ rms $ current in the coil is

An inductive coil has a resistance of $100 \, \Omega $ When an AC signal of frequency $1000\, Hz$ is applied to the coil, the voltage leads the current by $ 45^{\circ} $ . The inductance of the coil is