An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 15.0 Hand 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, findthe following.S+IRwwwL(a) the maximum current carried by the electromagnetA(b) the time constant of the circuitS(c) the time it takes the current to reach 95.0% of its maximum valueS

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