A straight horizontal copper rod carries a current of 35.0 A from west to east in a region between the poles of two bar magnets. In this region there is a horizontal magnetic field toward the northeast with magnitude 1.20 T. (a) Find the magnitude and direction of the force on a 1.00-m section of rod. (b) While keeping the rod horizontal, how should it be oriented to maximize the magnitude of the force? What is the force magnitude in this case?
A straight horizontal copper rod carries a current of 35.0 A from west to east in a region between the poles of two bar magnets. In this region there is a horizontal magnetic field toward the northeast with magnitude 1.20 T. (a) Find the magnitude and direction of the force on a 1.00-m section of rod. (b) While keeping the rod horizontal, how should it be oriented to maximize the magnitude of the force? What is the force magnitude in this case?
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Transcribed Image Text:Self-Paced Practice Problem 10.3
A straight horizontal copper rod carries a current of
35.0 A from west to east in a region between the poles
of two bar magnets. In this region there is a horizontal
magnetic field toward the northeast with magnitude
1.20 T. (a) Find the magnitude and direction of the
force on a 1.00-m section of rod. (b) While keeping the
rod horizontal, how should it be oriented to maximize
the magnitude of the force? What is the force
magnitude in this case?
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I'm sorry, I couldn't understand but what is the direction for part A? Also, where did the square root of 2 in the denominator come from? I was a bit confused regarding those parts.
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