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CGP EDU Academic Team
Published on: September 12, 2026
Four condensers each of capacity $4 \mu \mathcal{F}$ are connected as shown in figure. $V_{P} - V_{Q} = 15 \text{ volts}$ . The energy stored in the system is
Text Solution
Verified by ExpertsThe correct answer is:
B
Total capacitance of given system $C_{eq} = \frac{8}{5} \mu F$
$U = \frac{1}{2} C_{eq} V^{2} = \frac{1}{2} \times \frac{8}{5} \times 10^{-6} \times 225 = 180 \times 10^{-6} J$
$= 180 \times 10^{-6} \times 10^{7} \, \mathrm{erg} = 1800 \, \mathrm{erg}$
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