An LR circuit with emf `epsilon` is connected at t = 0. (a) find the charge Q which flows through the battery during O to t. (b) Calculate the work done by the battery during this period. (d) find the magnetic field energy stored in the circuit at time t. (e) Verify that the results in the three parts above are consistent with enegy conservation.

An LR circuit with emf epsilon is connected at t = 0. (a) find the charge Q which flows through the battery during O to t. (b) Calculate the work done by the battery during this period. (c) Find the heat developed during this period (d) find the magnetic field energy stored in the circuit at time t. (e) Verify that the results in the three parts above are consistent with enegy conservation.

In the circuit shown in figure switch S is closed at time t=0 . The charge which passes through the battery in one time constant is

Consider the circuit shown. Switch is closed at t=0. Find the current through the battery as a function of time. Initially capacitor was uncharged.

A capacitor having a capacitance of 100muF is charged to a potential difference of 24V . The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V battery . (c ) Is work done by the battery or is it done on the battery ? find its magnitude . (d ) Find the decrease in electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

A capacitor having a capacitance of 100muF is charged to a potential difference of 24V . The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V battery . (c ) Is work done by the battery or is it done on the battery ? find its magnitude . (d ) Find the decrease in electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

A capacitor having a capacitance of 200 mu F is charged to a potential difference of 20V. The charging battery is disconnected and the capacitor is connected to another battery of emf 10V with the positive plate of the capacitor joined with the positive terminal of the battery. (a) Find the charges on the capacitor before and after the reconnection in steady state. (b) Find the net charge flown through the 10 V battery Is work done by the battery or is it done on the battery? Find its magnitude. (d) Find the decrease in electrostatic field energy. (e) Find the heat developed during the flow of charge after reconnection .

A parallel - plate capacitor having plate area 20cm^2 and seperation between the plates 1.00 mm is connected to a battery of 12.0V . The plates are pulled apart to increase the separation to 2.0mm . (a ) calculate the charge flown through the circuit during the process . (b ) How much energy is absorbed by the battery during the process ? (c ) calculate the stored energy in the electric field before and after the process . (d ) Using the expression for the force between the plates , find the work done by the person polling the plates apart . (e ) Show and justify that no heat is produced during this transfer of charge as the separation is increased.

A parallel - plate capacitor having plate area 20cm^2 and seperation between the plates 1.00 mm is connected to a battery of 12.0V . The plates are pulled apart to increase the separation to 2.0mm . (a ) calculate the charge flown through the circuit during the process . (b ) How much energy is absorbed by the battery during the process ? (c ) calculate the stored energy in the electric field before and after the process . (d ) Using the expression for the force between the plates , find the work done by the person polling the plates apart . (e ) Show and justify that no heat is produced during this transfer of charge as the separation is increased.

A coil having an inductance L and a resistance R is connected to a battery of emf epsilon . Find the time elapsed before, the magnetic field energy stored in the circuit reaches half its maximum value.