Physics · Alternating Current and Transient Circuit Analysis
Which of the following mathematical expressions correctly represents a transient current i(t) that switches on at t = 0 with an exponential decay, and is counteracted by an identical delayed response at t = 1?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1i(t) = -0.5e-500(t-1)u(t-1)
- 2i(t) = -0.5e-500tu(t)
- 3i(t) = 0.5e-500tu(t)
- 4i(t) = 0.5e-500tu(t) - 0.5e-500(t-1)u(t-1)✓
Correct answer
i(t) = 0.5e-500tu(t) - 0.5e-500(t-1)u(t-1)
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