Question: A wire circular loop with a resistance per unit length of 0.5 Ohms/meter is placed in a uniform magnetic field given by B =

A wire circular loop with a resistance per unit length of 0.5

A wire circular loop with a resistance per unit length of 0.5 Ohms/meter is placed in a uniform magnetic field given by B = Bo2, with Bo = 2 Tesla, as shown in the Figure (z is out of the paper). If the radius of the circular loop is increasing at a constant rate given by r(t) = vt with v = 0.5 m/s, what is the magnitude of the induced EMF (in Volts) at t = 10 seconds? Answer: r=vt B-out

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