(chatquestion)...A thin metallic rod PQ of an arbitrary shape is hinged at end P and rotated with constant angular velocity in a uniform magnetic field B as shown in the figure. The emf induced across the ends of rod will be x xX x x x x x x XX x x B. x xx x x X x x x x x x x_X ххXх хXXхх х ----- Q x' x x x X XX X X x xx X -a

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