a conducting circle loop is
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EMF induced is equal to change in flux per unit time.
A=πr²
e=d(flux)/dt=d(Bπr²)/dt=Bπ2rdr/dt
Given dr/dt = 2mm/s or 0.002m/s
Put values in formula to get answer
A=πr²
e=d(flux)/dt=d(Bπr²)/dt=Bπ2rdr/dt
Given dr/dt = 2mm/s or 0.002m/s
Put values in formula to get answer
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