NEET Alternating Current MCQs & PYQs

Match the following and choose the correct option from given codes :

An LC oscillator contains inductance L = 1μH and capacitance C = 0.01μF, The wave length of electromagnetic wave generated is nearly :

The figure shows variation of R, XL and XC with frequency f in a series L, C, R circuit. Then for
what frequency point, the circuit is inductive ?

In the adjoining A.C. circuit the voltmeter whose reading will be zero at resonance is :–

In an oscillating LC circuit the maximum charge on the capacitor is Q. The charge on the capacitor when the energy is stored equally between the electric and magnetic fields is:

The r.m.s. value of potential difference V shown in the figure is :-

In a purely inductive AC circuit, which of the following sketches represent the variation of the current amplitude I0 with the frequency ω ?

The phase difference between applied voltage and current in RLC series is :

Consider following in AC circuits and their characteristics :

A fully charged capacitor C, with initial charge q0, is connected to a coil of self inductance L at t = 0. The time at which the energy is stored equally between the electric and magnetic field is: