Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Electromagnetic Induction and Inductance Self-Induction
When the length of the solenoid is doubled without any change in the number of turns and the area of the coil. Then its self-inductance will
1
Nine times
2
Half times
3
Doubled
4
More than one of the above
5
None of the above