Question
Physics Question on Magnetic Flux
The magnetic flux through a coil varies with time as Q=5t2+6t+9. The ratio of emf at t=3s to t=0s will be
A
1:9
B
1:6
C
6:1
D
9:1
Answer
6:1
Explanation
Solution
The correct option is (C) : 6:1
The magnetic flux through a coil varies with time as Q=5t2+6t+9. The ratio of emf at t=3s to t=0s will be
1:9
1:6
6:1
9:1
6:1
The correct option is (C) : 6:1