engineering recuitment BSPHCL JE Electrical 2024 Mock Test Network Theory Magnetic Coupling Circuits
Determine the self-inductance (in mH) of a 3 m long air-cored solenoid, when the coil has 300 turns and the diameter of the coil 12 cm.
1
0.42
2
1.52
3
0.24
4
1.62