Question

A current of 2A is passed through a coil of 1000 turns, to produce a flux of 0.5 weber. What is the self inductance of the coil?

• A. 100 H
• B. 250 H
• C. 300 H
• D. 50 H

Answer 1

The correct option is B 250 H

$N\varphi =Li$
${10}^3\times 0.5=L\times 2$
$L=250H$