Question

For a coil having L = 2 mH, current flows at the rate of 10^-3 AIS. The e.m.f induced is

विकल्प

• 2 V

• 1 V

• 4 V

• 3 V

Answer 1

2 V

Explanation:

e = L = `(dI)/(dt) = (2 xx 10^3) xx 10^3` = 2v.