The magnetic flux linked with a coil changes according to $\Phi = 6t^2 + 7t + 1\text{ Wb}$. The induced emf at $t = 2\text{ s}$ is:
- A$-31\text{ V}$
- B$-24\text{ V}$
- C$31\text{ V}$
- D$-19\text{ V}$
JEE (Main & Advanced) · Physics · Electromagnetic InductionMCQEasy
Practise JEE questions like this — with timed tests and instant analysis
Shared by Admin Test on EduBank. Free for students and teachers.
Start practising