The magnetic flux (in weber) linked with a closed circuit of resistance 8 varies with time (in seconds) as =5t2-36t+1. The induced current in the circuit at t=2 s is A.
Answer
2
Solution
=- d dt=-(10t-36)=36-10t
At t=2 s: =36-20=16 V
I= R= 168=2 A
Answer: 2