Home
Class 12
PHYSICS
A 4 muF capacitor is charged to 400 V an...

A 4 `mu`F capacitor is charged to 400 V and then its plates are joined through a resistance of 1 K `Omega`. The heat produced in the resistance is

A

0.16 J

B

0.32 J

C

0.64 J

D

1.28 J

Text Solution

Verified by Experts

0.32 J
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER -14 (UNSOLVED)

    FULL MARKS|Exercise PART-II|9 Videos

  • SAMPLE PAPER -14 (UNSOLVED)

    FULL MARKS|Exercise PART-III|10 Videos

  • SAMPLE PAPER -13

    FULL MARKS|Exercise PART - IV|10 Videos

  • SAMPLE PAPER -4 (SOLVED)

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

A radioactive sample decays with an average life of 20 ms . A capacitor of capacitance 100 muF is charged to some potential and then the plates are connected through a resistance R . What should be the value of R so that the ratio of the charge on the capacitor to the activity of the radioactive sample remains constant in time?

The plates of a 50muF capacitor charged to 400muC are connected through a resistance of 1.0kohm . Find the charge remaining on the capacitor 1s after the connection is made.

A 5.0(mu)F capacitor having a charge of (20 (mu)C) is discharged through a wire aof resistance (5.0 Omega) . Find the heat dissipated in the wire between 25 to 50 (mu)s after the connections are made.

A cell of emf 2.2V sends a current of 0.2A through a resistance of 10 Omega . The internal resistance of the cell is ______

A 20(mu)F capacitor is joined to a battery of emf 6.0V through a resistance of 100(Omega) .find the charge on the capacitor 2.0ms after the connections are made .

A capacitor is connected to a 12 V battery through a resistance of (10Omega) .It is found that the potential difference across the capacitor rises to 4.0 V in 1(mu)s. find the capacitance of the capacitor.

The internal resistance of a 2.1 V cell which gives a current of 0.2A through a resistance of 10 Omega is

A capacitor of 50 mu F is charged to 10 volts. Its energy in joules is

5A of current flowing through a resistor for 2 minute produced 3000 j of heat. The value of the resistance is ________

The internal resistance of a 2.1v cell which gives a current of 0.2 A through a resistance of 10 Omega is