defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Electromagnetic Induction and Inductance Faraday’s Law of Induction
The magnetic flux ϕ linked with a coil at any instant of time t is given by ϕ = 5t3 - 100t + 300 weber.
Induced EMF in the coil at any instant of time t = 2 second is given by
1
-40 V
2
40 V
3
140 V
4
300 V