Conservation of energy in electrical circuits having capacitor and heat dissipation.

Is work dome by a battery always equal to the thermal energy develop in electrical circuits? What happens if a capacitor is connected in the circuit?

In the circuit shown in figure find a) the rate of conversion of internal (chemical) energy to electrical energy within the battery (b) the rate of dissipation of electrical energy in the battery (c) the rate of dissipation of electrical energy in the external resistor.

Discuss the similarities between the energy stored in the electric field of charged capacitor and the energy stored in the magnetic field of a current-carrying coil.

Energy dissipates in LCR circuit in:

In L-C oscillation, maximum charge on capacitor can be Q. If at any instant, electric energy and magnetic enegy associated with circuit is equal, then charge on capacitor at the anstant is

Figure shows a network of capacitor and resistances. . 3V Potentials of some of the points are given. The energy (U) stored in the capacitor at steady state and the heat (H) dissipated in 1Omega resistor at steady state are

A capacitor is charged so that it has a stored potential energy U and then connected in series with an identical, uncharged capacitor and a resistance. Until the current in the circuit becomes negligible, the total heat wasted in the resistance is H. The ratio (H)/(U) is______.

STATEMENT-1 : If the distance plates of a charged isolated capacitor increases, then the potential energy in the electric field of capacitor increases. and STATEMENT-2 : The energy stored in a capacitor is always directly proportional to separation between the plates.

Prove that an ideal capacitor in ac circuit does not dissipate power.