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Calculate the inductance in an inductive circuit whose time constant is 2s and the resistance is 5 ohm.

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in Basic Electrical Engineering by (88.7k points)
Calculate the inductance in an inductive circuit whose time constant is 2s and the resistance is 5 ohm.

(a) 10H

(b) 20H

(c) 5H

(d) 15H

I got this question during an online exam.

Enquiry is from Growth in an Inductive Circuit in section Inductance in a DC Circuit of Basic Electrical Engineering

1 Answer

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Best answer
The correct answer is (a) 10H

Easy explanation: We know that: Time constant = L/R

Substituting the values from the given question, we get L=10H.

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