15 (AIEEE 2010] A thin circular disk of radius R is uniformly charged with density o >0 per unit area. The disk rotates about its axis with a uniform angular speed o. The magnetic moment of the disk is TR4 TR4 (A) 21R*o0 (B) TR*o0 (D) [AIEEE2011) Page # 45 IG BANSAL CLASSES Private Ltd. 'Bansal Tower', A-10, Road No.-1, I.P.I.A., Kota-05