Home
Class 12
PHYSICS
If voltage applied on a capacitor is inc...

If voltage applied on a capacitor is increased from V to 2V:

A

Q remains the same, C is doubled

B

Q is doubled, C doubled

C

Cremains same, Q doubled

D

Both Q and C remain same

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER-6

    FULL MARKS|Exercise PART- II|9 Videos
  • SAMPLE PAPER-6

    FULL MARKS|Exercise PART - IV|1 Videos
  • SAMPLE PAPER-2 (SOLVED)

    FULL MARKS|Exercise Part -IV|10 Videos
  • SAMPLE PAPER-8

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

When the plate voltage applied to a diode value is changed from 40 V to 42 V , the plate current increases from 50 mA to 60 mA . Calculate the dynamic plate resistance at the operating condition.

When the voltage drop across a p-n junction diode is increased from 0.65 V to 0.70 V , the change in the diode current is 5 mA . The dynamic resistance of the diode is

If the potential difference V applied across a conductor increases to 2V, drift velocity of the electron be

A parallel plate capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates

A capacitor of capacitance C is connected to a voltage source of p.d. V. The capacitor gets charged. a. What happens to the voltage across the capacitor as charge increases? b. What is the net work done when the capacitor is fully charged?

A 5.0muF capacitor is charged to 12V . The positive plate of this capacitor is now connected to the negative terminal of a 12V battery and vise versa . Calculate the heat developed in the connecting wires.

The plate resistance of a triode is 8 kOmega and the transconductance is 2.5 millimho . (a)If the plate voltage is increased by 48 V , and the grid voltage is kept constant, what will be the increase in the plate current? (b) With plate voltage kept constant at this increased value, how much should the grid voltage be decreased in order to bring the plate current back to its initial value?

The power delivered in the plate circuit of a diode is 1.0 W when the plate voltage is 36 V . Find the power delivered if the plate voltage is increased to 49 V . Assume Langmuir-Child equation to hold .