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Physics - Capacitor Question with Solution | TestHub

PhysicsCapacitorForce & Energy analysisMedium3 minQB

PhysicsMediumsingle choice

A charged capacitor is connected in the circuit as shown and switch S is closed at $t = 0$ , so the total heat loss through $2 R$ will be:

Options:

Answer:

Solution:

$W_{b} = (2 C V) V$
$H_{2 R} : H_{R} = 2 : 1$
Because $Δ U = 0$ , the total heat equals $W_{b}$ .
Hence heat through $2 R$ :
$\frac{2}{3} \times 2 C V^{2} = \frac{4 C V ^{2}}{3}$

Subject:PhysicsTopic:CapacitorSubtopic:Force & Energy analysis

⏱ 3mℹ️ Source: QB

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