A section of copper wire with resisivity, p = 1.70 x 10-8 m, and total resistance, R = 10.0 £2, is formed into a N = 70-turn rectangular coil that is a = 11.1-cm wide, and b = 19.7-cm long. The coil, which is rated for a maximum current, lUL = 8.98 A, is placed in the uniform magnetic field, B = 3.00 T, between the poles of a powerful magnet, and rotated at constant angular speed, w = 23.0 rad/s, as shown in the animation.

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A section of copper wire with resisivity, p = 1.70 × 10-8 • m,
and total resistance, R = 10.0 2, is formed into a N = 70-turn
rectangular coil that is a = 11.1-cm wide, and b = 19.7-cm long.
=
8.98 A, is
The coil, which is rated for a maximum current, IUL
placed in the uniform magnetic field, B = 3.00 T, between the
poles of a powerful magnet, and rotated at constant angular
speed, w = 23.0 rad/s, as shown in the animation.
SYMBOLIC INPUT. Use the variables defined above:
N, p, a, b, R, w, B, and lu
Transcribed Image Text:A section of copper wire with resisivity, p = 1.70 × 10-8 • m, and total resistance, R = 10.0 2, is formed into a N = 70-turn rectangular coil that is a = 11.1-cm wide, and b = 19.7-cm long. = 8.98 A, is The coil, which is rated for a maximum current, IUL placed in the uniform magnetic field, B = 3.00 T, between the poles of a powerful magnet, and rotated at constant angular speed, w = 23.0 rad/s, as shown in the animation. SYMBOLIC INPUT. Use the variables defined above: N, p, a, b, R, w, B, and lu
(d) Write a symbolic expression for the cross-sectional area of the wire (not the coil), then calculate its numeric value.
Awire =
(b) Write a symbolic expression for the maximum rate that the coil can safely be rotated, then calculate its numeric value.
Rotation Rate =
m²
||
RPM
Transcribed Image Text:(d) Write a symbolic expression for the cross-sectional area of the wire (not the coil), then calculate its numeric value. Awire = (b) Write a symbolic expression for the maximum rate that the coil can safely be rotated, then calculate its numeric value. Rotation Rate = m² || RPM
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