Question

An inductance L, resistance R, and ideal battery of emf are wired in series. A switch in the circuit is closed at time t= 0, at which time the current is zero. At any later time tthe potential difference across the resistor is given by:
A) (1 - e-Lt/R)
B) e-Lt/R
C) (1 + e-Rt/L)
D) e-Rt/L
E) (1 - e-Rt/L)

Answer

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