Physics · Network Theory
A stable, series RC circuit is subjected to a unit step voltage input. If the value of the capacitor C is doubled while the resistor R remains constant, how is the time required for the capacitor voltage to reach 95% of its final steady-state value affected?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The time required remains unchanged, as the 95% level depends only on the step input magnitude.
- 2The time required decreases by 50% due to the pole moving further into the left half-plane.
- 3The time required increases by 63.2% of the original duration.
- 4The time required increases to exactly twice its original duration.✓
Correct answer
The time required increases to exactly twice its original duration.
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