Physics
Electricity and Magnetism
A 40.0-cm length of wire carries a current of 20.0

A 40.0-cm length of wire carries a current of 20.0 A. It is bent into a loop

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A 40.0-cm length of wire carries a current of 20.0 A. It is bent into a loop and placed with its normal perpendicular to a magnetic field with a magnitude of 0.520 T. What is the torque on the loop if it is bent into?
(a) An equilateral triangle? What If? What is the torque if the loop is?
(b) A square or
(c) A circle?
(d) Which torque is greatest?

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From 7 B IAXB the magnitude of the torque is IAB sin 900 a Each side of the triangle ...View the full answer

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Question Posted: Jan 23, 2010 04:14 AM

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