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There is a constant homogeneous magnetic field pointing in a vertical direction. A metallic wire in the form of a square is rotated about a horizontal axis passing through the middle points of its opposite arms. Thc emf generated in the square is | |
A. | zero. [Wrong Answer] |
B. | finite and constant. [Wrong Answer] |
C. | oscillatory. [Correct Answer] |
D. | varying with time t as t2. [Wrong Answer] |