SSC JE Electrical Engineering 2014 Set 2 Paper

Question : 162 of 200

Marks: +1, -0

If resistance is 20 Ω and inductance is 2 H in a RL series circuit, then time constant of this circuit will be :

Solution:

Time constant of RL series circuit is given by

τ=L/R

∴

τ=2/20=0.1

sec.
∴ Option (c) is correct.

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