Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Electromagnetic Induction and Inductance Self-Induction
When number of turns per unit length of a solenoid is doubled, its self inductance becomes:
1
4 times
2
8 times
3
Same
4
More than one of the above
5
None of the above