If the current in the toroidal solenoid increases uniformly from zero to 6.0 A in 3.0 μ s . Self-inductance of the toroidal solenoid is 40 μH . The magnitude of self-induced emf is

Question

If the current in the toroidal solenoid increases uniformly from zero to 6.0 A in 3.0 μ s . Self-inductance of the toroidal solenoid is 40 μH . The magnitude of self-induced emf is, 80 V, 160 V, 24 V, 48 V

MARKS App · Accepted Answer

Current in toroidal solenoid increases uniformly from 0 to 6.0 A in 3.0 μ s . Magnitude of self-induced emf is given by ε = L d i d t [Symbols have usual meanings] = 40 × 10 - 6 6 - 0 3.0 × 10 - 6 = 80 V

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