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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACL-R circuitEasy2 minPYQ_2020

PhysicsEasysingle choice

A coil of inductance $0.2 H$ and $1.0 Ω$ resistance is connected to a $90 V$ source. At what rate does the current in the coil grow at the instant the coil is connected to the source?

Options:

Answer:

Solution:

From

$\frac{dI}{dt} = \frac{e}{L} = \frac{90}{0 .2} = 450 A s^{- 1}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:EMI/ACSubtopic:L-R circuit

⏱ 2mℹ️ Source: PYQ_2020

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