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A Long Straight Wire Carrying a 3

Question 31

Multiple Choice

A long straight wire carrying a 3.0 A current enters a room through a window 1.5 m high and 1.0 m wide. The path integral A long straight wire carrying a 3.0 A current enters a room through a window 1.5 m high and 1.0 m wide. The path integral around the window frame has the value (in T.m) : A) 0.20 B) 2.5 * 10<sup>-</sup><sup>7</sup> C) 3.0 * 10<sup>-</sup><sup>7</sup> D) 3.8 * 10<sup>-</sup><sup>6</sup> E) none of these around the window frame has the value (in T.m) :


A) 0.20
B) 2.5 * 10-7
C) 3.0 * 10-7
D) 3.8 * 10-6
E) none of these

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