Physics · 2015
JEE Main · 10 April 2015, Shift 1 · Q21
When current in a coil changes from 5 A to 2 A in 0.1 s, an average voltage of 50 V is produced. The self - inductance of the coil is:
When current in a coil changes from $\displaystyle 5$ A to $\displaystyle 2$ A in $\displaystyle 0.1$ s, an average voltage of $\displaystyle 50$ V is produced. The self - inductance of the coil is :
Official answer
(2)
1.$\displaystyle 67$ H
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JEE Main 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.