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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

A square loop of side 22 cm is converted into circular loop in 0.4 s. A uniform magnetic field of 0.2 T directed normal to the loop; then the e. m. f. induced in the loop is

Answer: (A)

Solution

The wire length is 0.88 m, so the circle has m and area against for the square;

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Question ID VK-081923