Chapter14: Inductance
Section: Chapter Questions
Problem 10CQ: Solve that I I 2 /2 has units of energy.
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as an inductor in series
with a resistor. Consider a large
electromagnet of inductance
L = 12.0 H and resistance R =
4.50 Ω connected to a 24.0 V
battery and switch as in Figure
P20.43. After the switch is
closed, find (a) the maximum
current carried by the electromagnet,
(b) the time constant of the circuit, and (c) the time
it takes the current to reach 95.0% of its maximum value.
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