The time taken for the magnetic energy to reach 25% of its maximum value, when a solenoid of resistance R, inductance L is connected to a battery, is
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The time taken for the magnetic energy to reach 25% of its maximum value, when a solenoid of resistance R, inductance L is connected to a battery, is
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Answer:
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Explanation:
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Answer:
Hi friends
Explanation:
Magnetic energy=1/2Li²=25%
ME=25%=io/2
i = i0(1 - R-Rr/L)
t = L/Rln2
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