part A
A solenoid with 44 x 103 turns per meter, a cross sectional radius of 0.5 m, and a length of 0.2 meters is used as to form an inductor. Then a 8 x 103 volt battery (DC) is connected in series to this inductor, a resistor of 2 kilo-Ohms, and another resistor of 8 kilo-Ohms. After 14 milli-seconds, what is the power output of the battery in kilo-watts?
part Aa.
A battery (DC battery) is connected in series to a 13 milli-henrie inductor and a 3 Ohm resistor. After 5 milli-seconds, the battery is disconnected. 6 milli-seconds after the battery has been disconnected, the current in the circuit is 2.2 amps. What was the voltage of the battery that was disconnected in volts?
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