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26 Dec 2020

What will be the time taken for the current in an inductor to change to 2A from 0A if the power in the inductor is 5W. The value of inductance is 10H.

 

Booster class
Electricity and Magnetism
Skill
Understanding energy stored in an inductor
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Uttam Saikia
Uttam SaikiaLv10
26 Dec 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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A DC voltage source provides a voltage V = 12.0V and is connected to a resistor of resistance R = 150 ohms and an ideal inductor with inductance L, forming the circuit. For a long time, the switch has been in the position shown, so that a constant current has been built up in the circuit by the voltage source. At t=0 the switch is thrown open to remove the voltage source from the circuit. At time t after t=0, the current through the inductor and the voltage across the inductor is given by, respectively, I(t) and V(t).
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