MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electric Power

In a circuit,...

Question

In a circuit, 10 C of charge is passed through a battery in a given time. The plates of the battery are maintained at a potential difference of 12 V. How much work is done by the battery?

Open in App

Solution

Work done $= q v = 10 \times 12 = 120 V$

Suggest Corrections

thumbs-up

7

Similar questions

Q. In a circuit, 5C of charge is passed through a battery in 3 hours. The plates of the battery are maintained at the potential difference of 12 V. Then, the amount of work done by a battery is:

Q. A parallel-plate capacitor having plate area

25 c m^{2}

1.00 m m

is connected to a battery of

6.0 V

Calculate the charge flown through the battery. How much work has been done by the battery during the process?

Q. A capacitor having a capacitance of 100 µF is charged to a potential difference of 24 V. The charging battery is disconnected and the capacitor is connected to another battery of emf 12 V 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 12 V 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 heat developed during the flow of charge after reconnection.

Q. Three capacitors having capacitances

20 μ F, 30 μ F

40 μ F

are connected in series with a

12 V

battery. Find the charge on each of the capacitors. How much work has been done by the battery in charging the capacitors?

Q. In the given circuit the charge passing through the battery is

48 μ C

. The potential difference of capacitor

C

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electric Power

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon