An RL circuit is shown on the right. L = 2.2 J, R = 258 Ω, ε = 4.5 V
Part (a) Switch A is closed at t = 0. Express the current I in the circuit as a function of time in terms of L, R, and ε.
Part (b) Whats is the direction of the current I, clockwise or counterclockwise?
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