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What is a transient current?

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What is a transient current?

Posted by Aisa Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 7 years, 3 months ago

An electric current which vary for a small finite time, while growing from zero to maximum or decaying from maximum to zero, is called a transient current.
Growth of current in an inductor at any instant of time t is given by
I = I₀(1 – e ^{-Rt / L})
where, I₀ = maximum current, L = self inductance of the inductor and R = resistance of the circuit.
Here R / L = τ, is called time constant of a L – R circuit.

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