RRB Junior Engineer / DMS / CMA 2015 · Question 143 of 480

Time constant of a series R-L circuit is :

Answer: B. $$\frac{L}{R}$$ seconds

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2015 paper — cracku.in solved paper with answer key · reliable-secondary

Practice the full RRB Junior Engineer / DMS / CMA 2015 paper

Timed test with all 480 questions, just like the real exam.