An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 15.0 H and resistance R = 2.50 2 connected to a 18.0-V battery and switch as in the figure shown below. After the switch is closed, find the following. + R ww (a) the maximum current carried by the electromagnet A (b) the time constant of the circuit S (c) the time it takes the current to reach 95.0% of its maximum value S
An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 15.0 H and resistance R = 2.50 2 connected to a 18.0-V battery and switch as in the figure shown below. After the switch is closed, find the following. + R ww (a) the maximum current carried by the electromagnet A (b) the time constant of the circuit S (c) the time it takes the current to reach 95.0% of its maximum value S
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Transcribed Image Text:An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 15.0 H
and resistance R = 2.50 2 connected to a 18.0-V battery and switch as in the figure shown below. After the switch is closed, find
the following.
S
+
I
R
www
L
(a) the maximum current carried by the electromagnet
A
(b) the time constant of the circuit
S
(c) the time it takes the current to reach 95.0% of its maximum value
S
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