A solenoid has a radius of 2.5 cm, 130 turns, and a length of 85 cm. 1. Suppose the two terminals of the coil are shorted (connected) and it is given some initial current. If after 0.55 ms the current has dropped to 1/30th its value what is the total resistance in the circuit? 2. The current through the solenoid varies as: I(t) = 4t2 - 3t - 12 (in SI units). at t = 3s, what are the energy stored in the solenoid and the voltage across the solenoid?
A solenoid has a radius of 2.5 cm, 130 turns, and a length of 85 cm. 1. Suppose the two terminals of the coil are shorted (connected) and it is given some initial current. If after 0.55 ms the current has dropped to 1/30th its value what is the total resistance in the circuit? 2. The current through the solenoid varies as: I(t) = 4t2 - 3t - 12 (in SI units). at t = 3s, what are the energy stored in the solenoid and the voltage across the solenoid?
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Chapter1: Units, Trigonometry. And Vectors
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A solenoid has a radius of 2.5 cm, 130 turns, and a length of 85 cm.
1. Suppose the two terminals of the coil are shorted (connected) and it is given some initial current. If after 0.55 ms the current has dropped to 1/30th its value what is the total resistance in the circuit?
2. The current through the solenoid varies as: I(t) = 4t2 - 3t - 12 (in SI units). at t = 3s, what are the energy stored in the solenoid and the voltage across the solenoid?
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