A capacitor is charged through a potential difference of 200 V, when 0.1 charge is stored in it. The amount of energt released by it, when it is disch

Question

A capacitor is charged through a potential difference of 200 V, when 0.1 charge is stored in it. The amount of energt released by it, when it is disch

A capacitor is charged through a potential difference of 200 V, when 0.1 charge is stored in it. The amount of energt released by it, when it is discharged is
A. 5 J
B. 10 J
C. 20 J
D. 2.5 J

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

If the charge on a capacitorn is increased by 2C, then the energy stored in it increases by 20 %. The original charge on the capacitor is

2 Answers 4 Views

A parallel plate capacitor is charged and then isolated. The effect of increasing the plate separation on charge, potential and capacitance respective

2 Answers 7 Views

A capacitor or capacitance `C_(1)` is charge to a potential V and then connected in parallel to an uncharged capacitor of capacitance `C_(2)`. The fia

2 Answers 4 Views

A capacitor of capacitance 700 pF is charged by 100 V battery. The electrostatic energy stored by the capacitor is

2 Answers 6 Views

A 16 pF capacitor is connected to 70 V supply. The amount of electric energy stored in the capacitor is

2 Answers 5 Views

A capacitor of capacity `10muF` is subjected to charge by a battery of 10 V. Calculate the energy stored in the capacitor.

2 Answers 4 Views

The `500 muF` capacitor is charged at a steady rate of `100 mu C//s`. The potential difference across the capacitor will be 10 V after an interval of

2 Answers 7 Views

An unchanged capacitor with a solid dielectric is connected to a similar air capacitor charged to a potential of `V_(0).`. If the common potential aft

2 Answers 4 Views

The enrgy of a charged capacitor is U. Another identical capacitor is connected parallel to the first capacitor, after disconnecting the battery. The

2 Answers 5 Views

A capacitor of capacitance `10muF` charged to 100V is connected to an uncharged capacitor. The effective potential now is 40 V. The capacitance on unc

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Here , `V = 200 V , q = 0 .1 C`.
Energy stored , `U = (1)/(2)qV = (1)/(2) xx 0.1 xx 200 = 10 J`
When the capacitor is discharged it relaease the same amount of enegry i.e., 10 J.

5 views Answered 2023-02-05 15:29