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Capacitor question

2024 · 1 Feb · Shift 1 · Q74

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JEE Main
Physics
Capacitor
2024 · 1 Feb · Shift 1 · Q74

Capacitor question

2024 · 1 Feb · Shift 1 · Q74

JEE MainPhysicsCapacitorMCQ+4 / −1

Two identical capacitors have same capacitance

C

. One of them is charged to the potential

V

and other to the potential

2 \mathrm{~V}

. The negative ends of both are connected together. When the positive ends are also joined together, the decrease in energy of the combined system is :

A
$\frac{1}{4} \mathrm{CV}^2$
B
$\frac{3}{4} \mathrm{CV}^2$
C
$\frac{1}{2} \mathrm{CV}^2$
D
$2 \mathrm{CV}^2$

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