JEE (Advanced) 2017 Paper-1 Question 5

Question 5

A circular insulated copper wire loop is twisted to form two loops of area ๐ด and 2๐ด as shown in the figure. At the point of crossing the wires remain electrically insulated from each other. The entire loop lies in the plane (of the paper). A uniform magnetic field ๐ต points into the plane of the paper. At ๐‘ก = 0, the loop starts rotating about the common diameter as axis with a constant angular velocity ฯ‰ in the magnetic field. Which of the following options is/are correct?

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