# single circular loop of wire filled with a uniform magnetic

by yekidota
Tags: circular, filled, loop, magnetic, single, uniform, wire
 P: 3 1. The problem statement, all variables and given/known data The figure to the right shows a single circular loop of wire filled with a uniform magnetic field pointing into the page The radius of the loop is R = 1.75 cm. The magnitude of the magnetic field in the loop is changing according to B(t) = B0 exp{-t / 2.15sec} (a) what is the value of B0 if at t = 0.25 sec the magnitude of the induced emf in the loop is 1.00 V? (b) what is the magnitude of the induced electric field inside the loop at a distance 2. Relevant equations Φ=BA E=dΦB/dt 3. The attempt at a solution Φ=BA = (B0^-t/2.15)π1.75^2 E=dΦB/dt =-AdB/dt=-(π1.75^2)((d(B0^(-0.25/2.15)))/dt
 P: 3 am i using the right formula? I wanted to know if im on the right track for a)

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