Starting outside the region with the magnetic field, a single square coil of wir

Question

Starting outside the region with the magnetic field, a single square coil of wire moves across (entering, moving across and then leaving) the region with a uniform.mnagnetic field B perpendicular . · to the page. The loop moves at constant velocity v. As seen from above, a counterclockwise emf is regarded as positive. Roger . claims that the graph shown below represents the induced emf. . Martin says he's wrong. In which direction did the loop move over the plane of the page, or is Martin correct? 6. emt A) Roger is correct: the loop moved from bottom to top. B) Martin is correct: none of these directions of motion will produce the shown graph C) Roger is correct: the loop moved from left to right. D) Roger is correct: the loop moved from right to left. E) Roger is correct: the loop moved from top to bottom. 4.00 ? 8.00 ? For items 7 and 8: 4:00 ? 1.00I 10.0v t the instant the switch S is thrown closed, the 00O resistor is:

Explanation / Answer

B) Martin is correct : None of these direction of motion produce shown graph.

Since flux associated with loop increases from Lenzs law EMF is induced in clockwise direction when loop enters and in anticlockwise direction when loop leaves field.

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