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10 Nov 2019
A resistor is connected in series with an inductor whose inductance is 0.50 H. At the beginning, the maximum voltage across the two devices is 40-V. The voltage across the resistor drops to 25 V at t = 5.0 mA. (a) Find the resistance of the resistor, (b) How long does it take for the voltage across the resistor to drop to 10 V? (c) How much energy is stored in the coil when the voltage V = 25 V?
A resistor is connected in series with an inductor whose inductance is 0.50 H. At the beginning, the maximum voltage across the two devices is 40-V. The voltage across the resistor drops to 25 V at t = 5.0 mA. (a) Find the resistance of the resistor, (b) How long does it take for the voltage across the resistor to drop to 10 V? (c) How much energy is stored in the coil when the voltage V = 25 V?
Hubert KochLv2
10 Nov 2019