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A north pole of strengt{A}{m}, is moved around a circle of rad

Question

A north pole of strengt $π A m$ , is moved around a circle of radius $10 c m$ which lies around a long straight conductor carrying a current of $10 A .$ The work doen is nearly

4 μ J

80 μ J

400 μ J

0.4 μ J

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Elijah Discussed

A north pole of strengt

π A m

, is moved around a circle of radius

10 c m

which lies around a long straight conductor carrying a current of

10 A .

The work doen is nearly

7 mins ago

Discuss this question LIVE

7 mins ago

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Question Text	A north pole of strengt $π A m$ , is moved around a circle of radius $10 c m$ which lies around a long straight conductor carrying a current of $10 A .$ The work doen is nearly
Answer Type	Video solution: 1
Upvotes	160