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Homework Statement
A magnetic field perpendicular to the plane of a wire loop is uniform in space but changes with time tin the region of the loop. If the induced emf in the loop increases linearly with time t, then the magnitude of the magnetic field must be proportional to:
a)t^3
b)t^2 <answer
c)t
d)t^0
e)t^1/2
Can someone explain this
I did emf=dflux/dt
emf(kt)=BA
B is proportional to t right?