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Question
What is the value of force on a closed circuit in a magnetic field?
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Solution
Zero
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A loop of flexible conducting wire lies in a magnetic field of 4.0 T with its plane perpendicular to the field. The length of the wire is 1 m. When a current of 2.2 A is passed through the loop, it opens into a circle, then the tension developed in the wire is ____________.
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Show that force on a closed circuit in a magnetic field is zero.
