A charged 30 micro Farad capacitor is connected to a 20 mH inductor. Suppose the initial charge on the capacitor is 6 mC. What is the total energy stored in the circuit initially? What is the total energy at later time?

Suppose the initial charge on the capacitor in Exercise 7.7 is 6mC. What is the total energy stored in the circuit initially? What is the total energy at later time?

A charged 30 muF capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?

In what form is the energy stored in a charged capacitor?

An LC circuit contains a 20 mH inductor and a 50 muF capacitor with an initial charge of 10 mC. The resistance of the circuit is negligible. Let the instant the circuit is closed be t = 0. What is the total energy stored initially? What is the natural frequency of the circuit?

A capacitor of capacitance 6muF is charged by a 6V battery. The charged capacitor is now connected to an indcutor of inductance 2 mH. Find the current I the circuit, when one-third energy stored in the capacitor converts into the energy stored in the inductor.

A circuit containing a 80 mH inductor and a 60 muF capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. What is the total average power absorbed by the circuit? [‘Average’ implies ‘averaged over one cycle’.]

An LC circuit contains a 20 mH inductor and a 50 muF capacitor with an initial charge of 10 mC. The resistance of the circuit is negligible. Let the instant the circuit is closed be t = 0. What is the total energy stored initially? Is it conserved during LC oscillations?

A parallel plate capacitor of capacitance C is charged to a potential V. It is then connected to another uncharged capacitor having the same capacitance. Find out the ratio of the energy stored in the combined system to that stored initially in the single capacitor.