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The horizontal component of the earth’s magnetic field at a certain place is 3.010 -5 T and the direction of the field is from the geographic south to the geographic north. A very long straight conductor is carrying a steady current of 1A. What is the force per unit length on it when it is placed on a horizontal table and the direction of the current is (a) east to west (b)south to north?

The horizontal component of the earth’s magnetic field at a certain place is 3.010 -5 T and
the direction of the field is from the geographic south to the geographic
north. A very long straight conductor is carrying a steady current of 1A. What is the
force per unit length on it when it is placed on a horizontal table and the direction of the
current is (a) east to west (b)south to north?
 

Grade:12

1 Answers

Ayush_Deep
120 Points
4 years ago
In north south direction there will be no force acting as the angle between magnetic field and current will be 0 degree.
In east west direction the force acting will be Bil . The force per unit length will be Bi.
Thanks and good regards

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