A capacitor C is connected to a battery circuit having two switches S1 and S2 and resistors R1 and R2. The capacitor will be fully charged when

When both are open no charge will pass through the capacitor.When S1 is open and S2 is closed capacitor is not connected to the battery so not charge will flow.When both S1 and S2 are closed, the potential drop across the capacitor will be ER2R1+R2 where E is the EMF of cell.When S1 is closed and S2 is open, the potential drop only occurs across the capacitor so the potential drop across the plates of the capacitor will be E.The capacitor will be fully charged when S1 is closed and S2 is open.

A capacitor C is connected to a battery circuit having two switches S1 and S2 and resistors R1 and R2. The capacitor will be fully charged when

When both are open no charge will pass through the capacitor.When S1 is open and S2 is closed capacitor is not connected to the battery so not charge will flow.When both S1 and S2 are closed, the potential drop across the capacitor will be ER2R1+R2 where E is the EMF of cell.When S1 is closed and S2 is open, the potential drop only occurs across the capacitor so the potential drop across the plates of the capacitor will be E.The capacitor will be fully charged when S1 is closed and S2 is open.

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A capacitor C is connected to a battery circuit having two switches S₁ and S₂ and resistors R₁ and R₂. The capacitor will be fully charged when

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both S₁ and S₂ are closed

S₁ is closed and S₂ is open

S₁ is open and S₂ is closed

any one of the above

answer is B.

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Detailed Solution

When both are open no charge will pass through the capacitor.

When S₁ is open and S₂ is closed capacitor is not connected to the battery so not charge will flow.

When both S₁ and S₂ are closed, the potential drop across the capacitor will be $\frac{{ER}_{2}}{R_{1} + R_{2}}$ where E is the EMF of cell.

When S₁ is closed and S₂ is open, the potential drop only occurs across the capacitor so the potential drop across the plates of the capacitor will be E.

The capacitor will be fully charged when S₁ is closed and S₂ is open.

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