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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACSelf and mutual inductorEasy2 minPYQ_2003

PhysicsEasysingle choice

When the current changes from $+ 2 A$ to $- 2 A$ in $0.05$ second, an e.m.f. of $8 V$ is induced in a coil. The coefficient of self-induction of the coil is

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Answer:

Solution:

$e = - L \frac{dl}{dt} \Rightarrow 8 = (L) \frac{2 - ( - 2 )}{0.05} \Rightarrow L = 0.1 H$

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:Self and mutual inductor

⏱ 2mℹ️ Source: PYQ_2003

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