CUET and UG exam CUET UG 2025 Mock Test Series Physics Electromagnetic Induction and Inductance Induced Electric Fields
The magnetic flux' through a' coil of resistance 5 Ω placed with its plane perpendicular to a uniform magnetic field varies with time 't' (in. seconds) as ϕ = (2t3 + 5t + 7) milliweber. The induced current in the coil at t = 5s is -
1
15.5 mA
2
31 mA
3
155 mA
4
Zero