JEE · NEET Previous Year Question
An inductor coil stores 64 J of magnetic field energy and dissipates energy at the rate 640 W of when a current 8 A of is passed through it. If this coil is joined across an ideal battery, find the time constant of the circuit in seconds:
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- A0.4
- B0.8
- C0.125
- D0.2
Correct answer: D
Solution
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