engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Network Theory Network Elements Circuit Elements
An ideal air core coil has an inductance of 1 mH. The number of turns of the coil is halved and its length is doubled. Assuming that the inner cross-sectional area of the core remains constant, the new inductance of this altered air core coil is
1
8 mH
2
2 mH
3
0.5 mH
4
0.125 mH