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The figure shows a wire that has been bent into a circular arc of radius 27.2 cm, centered at O. A straight wire OP can be rotated about O and makes sliding contact with the arc at P. Another straight wire OQ completes the conducting loop. The three wires have cross-sectional area A-1.32 mm' and resistivity p -4.05 x 10"0m, and the apparatus lies in a uniform magnetic feld of magnitude 8 0.640 T directed out of the hgure. Wire OP begins from rest at angle -0 and has constant angular acceleration of 16.0rad/s. As functions of e (in rad), find (a) the loop's resistance and (b) the magnetic flux through the loop (c) For what eis the induced current maximum and (d) what is that maximum?

The figure shows a wire that has been bent into a circular arc of radius 27.2 cm, centered at O. A straight wire OP can be rotated about O and makes sliding contact with the arc at P. Another straight wire OQ completes the conducting loop. The three wires have cross-sectional area A-1.32 mm' and resistivity p -4.05 x 10"0m, and the apparatus lies in a uniform magnetic feld of magnitude 8 0.640 T directed out of the hgure. Wire OP begins from rest at angle -0 and has constant angular acceleration of 16.0rad/s. As functions of e (in rad), find (a) the loop's resistance and (b) the magnetic flux through the loop (c) For what eis the induced current maximum and (d) what is that maximum?

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The figure shows a wire that has been bent into a circular arc of radius r 27.2 cm, centered at O. A straight wire OP can be rotated about O and makes sliding contact with the arc at P.Another straight wire OQ completes the conducting loop. The three wires have cross-sectional area A-1.32 mm and resistivity p-4.05 x 10"m, and the apparatus lies ina uniform magnetic field of magnitude 8 0.640 T directed out of the hgure. Wire OP begins from rest at angle -0 and has constant angular acceleration of 16.0 rad/s. As functions of e (in rad), find (a) the loop's resistance and (b) the magnetic flux through the loop (c) For what eis the induced current maximum and (d) what is that maximum? (a) (b) (c) Units (d) Units
Transcribed Image Text:The figure shows a wire that has been bent into a circular arc of radius r 27.2 cm, centered at O. A straight wire OP can be rotated about O and makes sliding contact with the arc at P.Another straight wire OQ completes the conducting loop. The three wires have cross-sectional area A-1.32 mm and resistivity p-4.05 x 10"m, and the apparatus lies ina uniform magnetic field of magnitude 8 0.640 T directed out of the hgure. Wire OP begins from rest at angle -0 and has constant angular acceleration of 16.0 rad/s. As functions of e (in rad), find (a) the loop's resistance and (b) the magnetic flux through the loop (c) For what eis the induced current maximum and (d) what is that maximum? (a) (b) (c) Units (d) Units
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