Physics · Network Analysis
Consider a causal, linear, and time-invariant (LTI) first-order Resistor-Capacitor (RC) series circuit with resistance R = 1 Ω and capacitance C = 1 F. The input to the system is a unit step signal u(t). Which of the following is the time-domain expression for the voltage c(t) across the capacitor in response to the input?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1 + e-t)u(t)
- 2(1 - et)u(t)
- 3(1 - e-t)u(t)✓
- 4(1 + et)u(t)
Correct answer
(1 - e-t)u(t)
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