Physics · Electrostatics and Capacitance
A capacitor is charged and then allowed to discharge through a resistance. If the time constant of the circuit is τ, in what time will the potential difference across the capacitor decrease by 10%?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1τ ln(1110)
- 2τ ln(109)✓
- 3τ ln(0.9)
- 4τ ln(0.1)
Correct answer
τ ln(109)
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