7 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.mutual inductance
Yh but I'm not clear with the wordings
I got the mutual induction part
"around the central section" means u can use u0 * ni for magnetic field here.
calculate magnetic flux and then u should get :
flux = (something) * current
now if u differentiate :
d(Flux)/dt = (something) * di/dt
di/dt is change in current per sec
2A -> -2A in 1/4 sec. so change in current/time = -4/1/4 = -16 A/s
and by faraday's law : |d(Flux)/dt| = magnitude of emf induced
(the appxmation is only for dark blue lines passing through the coil in concern)