Question 136 of 151

The inductance of a closed-packed coil of 400 turns is 8 mH. A current of 5 mA is passed through it. The magnetic flux through the coil is approximately

1. 0.1 μ0 Wb                      2. 0.2 μ0 Wb

3. 1.0 μ0 Wb                      4. 2.0 μ0 Wb