a closed coil of copper whose area is 1mX1m is free to rotate about an axis The coil is packed - Physics - Electromagnetic Induction

Question

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

Vara · Accepted Answer

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=-N∆ϕ∆t=-N-2BA∆t=2NBA∆tCurrent:I=ER=2NBA∆t×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
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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