Home Physics Electrostatics Potential & Capacitance NEET Previous Year Question A capacitor of 2µF is charged as shown in th…
Physics Electrostatics Potential & Capacitance NEET Previous Year Question MCQ (Single Correct)

A capacitor of 2µF is charged as shown in the diagram. When the switch S is turned to position 2, the percentage of its stored energy dissipated is:

A
80%
B
0%
C
20%
D
75%

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Verified by Experts
The correct answer is:
A

Initially, the energy stored in capacitor is

Initially, the charge stored in capacitor is coulomb. When switch S is turned to position 2, the charge flows and both the capacitors share charges till a common potential is reached

Finally, the energy stored in both the capacitors

loss of energy,

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