Alternating Current · Physics · AIIMS

A transformer with turns ratio $$\frac{N_1}{N_2}=\frac{50}{1}$$ is connected to a $$120 \mathrm{~V}$$ AC supply. If primary and secondary circuit resi...

If maximum energy is stored in a capacitor at t = 0, then find the time after which current in the circuit will be maximum. ...

In a $$L C R$$ series circuit source voltage is $$120 \mathrm{~V}$$ and voltage in inductor $$50 \mathrm{~V}$$ and resistance is $$40 \mathrm{~V}$$, t...

In a series R-C circuit shown in figure, the applied voltage is 10 V and the voltage across capacitor is found to be 8V. Then, the voltage across R an...

An ideal coil of $$10 \mathrm{~H}$$ is connected in series with a resistance of $$5 \Omega$$ and a battery of $$5 \mathrm{~V}$$. After $$2 \mathrm{~s}...

In a circuit $$L, C$$ and $$R$$ are connected in series with an alternating voltage source of frequency $$f$$. The current leads the voltage by $$45^{...