
The resonance frequency of circuit is

Important Questions on Electromagnetic Induction







In the above circuit, and Current in path is and in path it is The voltage of AC source is given by, volts. The phase difference between and is:


At a certain moment, the switch shown in the figure is disconnected. The energy of the oscillations immediately after the switch is disconnected and at time from the time switch is disconnected are, respectively



In the circuit shown below, the key is pressed at time . Which of the following statement(s) is(are) true?

An inductor and a resistor are connected in series to a battery of E.M.F. in a circuit shown below. The key has been kept closed for a long time. Then at , is opened and key is closed simultaneously. At , the current in the circuit will be :

In the figure shown, a circuit contains two identical resistors with resistance and an inductance with An ideal battery of is connected in the circuit. What will be the current through the battery long after the switch is closed?







If a student plots graphs of the square of maximum charge on the capacitor with time (t) for two different values and of L then which of the following represents this graph correctly? (plots are schematic and not drawn to scale)

