After the circuit in Fig. P7.33 has been in operation for a long time, a screwdriver is
Chapter 7, Problem 7.33(choose chapter or problem)
After the circuit in Fig. P7.33 has been in operation for a long time, a screwdriver is inadvertently connected across the terminals a, b. Assume the resistance of the screwdriver is negligible.
a) Find the current in the screwdriver at \(t=0^{+}\) and \(t=\infty\).
b) Derive the expression for the current in the screwdriver for \(t \geq 0^{+}\).
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