An e.m.f. of 15V is applied in a circuit containing 5H inductance and 10Ω resistance. The…
Physics · JEE Main · NTA Exams — Electromagnetic Induction and Alternating Currents
An e.m.f. of 15V is applied in a circuit containing 5H inductance and 10Ω resistance. The ratio of the currents at time t = ∞ and t = 1 s is
- \(\frac{\mathrm{e}^{1 / 2}}{\mathrm{e}^{1 / 2}-1}\)
- \(\frac{\mathrm{e}^{2}}{\mathrm{e}^{2}-1}\)
- 1 – e–1
- e–1
Answer
(B) e ^ 2 e ^ 2 -1
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