engineering recuitment UPCL AE (E&M) 2021 Mock Test Network Theory Magnetic Coupling Circuits Self Inductance
Find the inductance of a coil of 100 turns wound on a hollow cardboard tube of 2 cm long and cross-sectional area 1 cm2. (Permeability of air μ0 = 4π × 10-7 Wb/A-m)
1
6.28 × 10-5 H
2
3.14 × 10-5 H
3
6.28 × 10-6 H
4
3.14 × 10-6 H