JEE Physics Magnetism and Matter MCQs Set B
Question: Two different magnets are tied together and allowed to vibrate in a horizontal plane. When their like poles are joined, time period of oscillation is 5 s and with unlike poles joined, time period of oscillation is 15 s. The ratio of their…
JEE Physics Magnetism and Matter MCQs Set A
Question: Suppose an isolated north pole is kept at the centre of a circular loop carrying a electric current i. The magnetic field due to the north pole at a point on the periphery of the wire is B. The radius of the loop is a. The force on the wire is…