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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACFaraday law/Lenz lawEasy2 minPYQ_2006

PhysicsEasysingle choice

The flux linked with a coil at any instant ' $t$ ' is given by $ϕ = 10 t^{2} - 50 t + 250$ The induced emf at $t = 3 s$ is

Options:

Answer:

C

Solution:

$e = - \frac{d ϕ}{d t} = - (20 t - 50) = - 10$ volt

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:Faraday law/Lenz law

⏱ 2mℹ️ Source: PYQ_2006

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