What is the SI unit of EMF?, A) Ohm, B) Tesla, C) Volt, D) Weber, The magnetic flux of ϕ (in weber) in a closed circuit of resistance 3 o h m varies with time t (in second according to the equation ϕ = 2 t 2 − 10 t at t = 0.25 s, 3A, 2A, 5A, 4A

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