B 5 56 A uniform and constant magnetic field B is directed A perpendicularly into the plane of the page everywhere within a

Question

B 5 56 A uniform and constant magnetic field B is directed A perpendicularly into the plane of the page everywhere within a rectangular region as shown in figure 5 277 A wire circuit in the shape of a semicircle is rotated at uniform angular speed in counter clockwise direction in the plane of the page about an axis passing through point A The axis A is perpendicular to the page at the edge of the field and directed through the centre of the straight line portion of the circuit Which of the following graphs best approximates the EMF E induced in the circuit as a function of time t A EA A Figure 5 277 EA UM t B EA X D EA mm t D 5 5 ap of

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