The self-inductance of a coil having 500 turns is 50mH. The magnetic flux through the cross-sectional area of the coil while current through it is 8 mA is found to be

Options

(a) 4×10⁻⁴ Wb
(b) 0.04 Wb
(c) 4 μ Wb
(d) 40 m Wb

Correct Answer:

4×10⁻⁴ Wb

Explanation:

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