a closed coil of copper whose area is 1mX1m is free to rotate about an axis.The coil is packed perpendicular to a magnetic field of 0.10T.What is the charge flowing through the coil when the coil is rotated through 180 in 0.01 s

Dear Student,
Please find below the solution to the asked query:
Change in magnetic flux:ϕ=-BA-BA=-2BA (due to rotation of 180 degrees)EMF induced:E=-Nϕt=-N-2BAt=2NBAtCurrent:I=ER=2NBAt×RCharge:Q=I t=2NBAR=2×1×0.1×1R=0.2RThe value of "R" is not mentioned in the question.substitute the value of R in the above equation to get the value of charge. 
Hope this information will clear your doubts about EM induction.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.

  • -1
What are you looking for?