The long straight wire in the figure carries a current I that is decreasing with time at a constant rate. The circular loc A, B, and C all lie in a plane containing the wire. The induced emf in each of the loops A, B, and C is such that

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The long straight wire in the figure carries a current I that is decreasing with time at a constant rate. The circular loops
A, B, and C all lie in a plane containing the wire. The induced emf in each of the loops A, B, and C is such that
A
A) no emf is induced in any of the loops.
B) a counterclockwise emf is induced in all the loops.
C) loop A has a clockwise emf, loop B has no induced emf, and loop C has a counterclockwise emf.
D) loop A has a counter-clockwise emf, loop B has no induced emf, and loop C has a clockwise emf.
E) loop A has a counter-clockwise emf, loops B and C have clockwise emfs.
Transcribed Image Text:The long straight wire in the figure carries a current I that is decreasing with time at a constant rate. The circular loops A, B, and C all lie in a plane containing the wire. The induced emf in each of the loops A, B, and C is such that A A) no emf is induced in any of the loops. B) a counterclockwise emf is induced in all the loops. C) loop A has a clockwise emf, loop B has no induced emf, and loop C has a counterclockwise emf. D) loop A has a counter-clockwise emf, loop B has no induced emf, and loop C has a clockwise emf. E) loop A has a counter-clockwise emf, loops B and C have clockwise emfs.
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