Question

Current in an inductance of 1 mH is reduced from 5A to 0 in 1 ms. The emf induced in it is (in V)

• A. 50
• B. 5
• C. 1/5
• D. $10^{-6}$

Answer 1

Answer: (B)

E = $\frac{LdI}{dt}=10^{-3}\frac{5}{10^{-3}}$ = 5V