Home › CBSE Class 12 (Science) › Physics › Electrostatic Potential and Capacitance › If the voltage across a capacitor is doubled, th…
If the voltage across a capacitor is doubled, the stored energy
ADoubles
BHalves
CQuadruples
DStays same
Answer & Solution
Correct answer: C. Quadruples
Energy goes as (1/2)CV², so doubling V multiplies the energy by four.
Related questions
In a system of several conductors in equilibrium, what is true of their potentials?If the charge on a capacitor is doubled, what happens to the field between its plates?Why is capacitor energy independent of how charge was built up?A charged capacitor is disconnected and joined to an identical uncharged one. What happensA 500 pF capacitor is connected across a 60 V battery. How much energy does it store?What does a non-polar molecule develop when placed in an external electric field?Which pair consists only of non-polar molecules?How can a single isolated conductor act as a capacitor?