00:01
Hi, in this question we have to find the resistance which is given by the ohm's law.
00:07
So, first let us consider the change in the magnetic flux phi which is equal to the final magnetic flux minus the initial magnetic flux which is given as 5 .52 weber minus 9 .56 weber which is equal to minus 4 .04 weber.
00:25
So, here negative sign means the magnetic field or the flux is decreasing.
00:30
Then we have by faraday's law of magnetic induction.
00:35
So, using faraday's law we have v is equal to delta phi by delta t.
00:42
So, change in rate of change of magnetic flux is nothing but the emf induced which is equal to minus 0 .04.
00:49
So, 4 .04 divided by 0 .0466.
00:54
So, we have voltage is equal to minus 86 .88 volts...