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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACFaraday law/Lenz lawEasy2 minPYQ_2012

PhysicsEasysingle choice

In a coil of resistance $10Ω$ , the induced current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through the coil in weber is
NEET 2012 (Mains)

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Answer:

Solution:

$I ∣ d ϕ ∣ d ϕ = \frac{1}{R} \frac{d ϕ}{d t} = ∣ I R d t ∣ = (area of triangle) \times R = (\frac{1}{2} \times 4 \times 0.1) \times 10 = 2 Wb$

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

⏱ 2mℹ️ Source: PYQ_2012

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