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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

In a car spark coil an e. m. f of 40000 volts is induced in a secondary when the primary current changes from 4 A to 0 in 10 s. The mutual inductance between the primary and secondary winding of this spark coil is henry; then n =

Answer: (A)

Solution

H; written as H, as the option

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Question ID VK-082127