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An inductor L = 0.0470 H and a 35.0 ? resistor are connected in series to a 3.70 volt battery and a switch. At t = 0 the switch is closed to complete the circuit.
(a) What is the potential difference across the resistor immediately after the switch is closed?
V
(b) What is the potential difference across the resistor a long time after the switch is closed?
(c) From the time the switch is closed, how long does it take for the current to reach 63% of the maximum value?
s
(d) All circuits have a self-inductance which is generally difficult to calculate precisely. For a single loop circuit with a 2.95 ? resistor, a single battery of 1.40 V, and a characteristic size (size of the loop) of10.0 cm, the estimated inductance is 2 ? 10?7 H.What is the time constant of this RL circuit?
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