Question

The drawing shows a copper wire (negligible resistance) bent into a circular shape with a radius of 0.69 m . The radial section BC is fixed in place, while the copper bar AC sweeps around at an angular speed of 20ra(d)/(s). The bar makes electrical contact with the wire at all times. The wire and the bar have negligible resistance. A uniform magnetic field exists everywhere, is perpendicular to the plane of the circle, and has a magnitude of 3.5\times 10^(-3)T. Find the magnitude of the current induced in the loop ABC . Number ◻ Units ◻

          The drawing shows a copper wire (negligible resistance) bent into a circular shape with a radius of 0.69 m . The radial section BC is fixed in place, while the copper bar AC sweeps around at an angular speed of 20ra(d)/(s). The bar makes electrical contact with the wire at all times. The wire and the bar have negligible resistance. A uniform magnetic field exists everywhere, is perpendicular to the plane of the circle, and has a magnitude of 3.5\times 10^(-3)T. Find the magnitude of the current induced in the loop ABC .
Number ◻ Units ◻

Added by Thomas L.

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