MHT CET Physics question
Two circular loops A and B of radii 'R' and 'NR' respectively are made from a uniform wire. Moment of inertia of B about its axis is 3 times that of A and about its axis. The value of N is [MHT-CET 2020, MHT-CET 2020]
Answer: (D)
Solution
Mass radius so ; gives ; the other options give . Hence the correct option is (d).