Torque on a Current Loop and Magnetic Moment

JEE Main Physics · Magnetic Field and Forces · 7 questions, latest first

• A current carrying circular loop of radius 2 cm with unit normal n=(k+ i)/(√2) is placed in a magnetic field, B=B_o(3 i+2 k). If…20268 April, Shift 2 · Q39
• A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform magnetic field of…20264 April, Shift 2 · Q49
• An insulated wire is wound so that it forms a flat coil with N=200 turns. The radius of the innermost turn is r_1=3 cm, and of…20264 April, Shift 1 · Q41
• A coil having 100 turns, area of 5 × 10^-3 m^2, carrying current of 1 mA is placed in uniform magnetic field of 0.20 T such a way…20246 April, Shift 2 · Q58
• A circular coil having 200 turns, 2.5 × 10^-4 m^2 area and carrying 100 μ A current is placed in a uniform magnetic field of 1 T.…20246 April, Shift 1 · Q57
• A uniform magnetic field of 2 × 10^-3 T acts along positive Y -direction. A rectangular loop of sides 20 cm and 10 cm with…202431 January, Shift 2 · Q42
• The magnetic moments associated with two closely wound circular coils A and B of radius r_A=10 cm and r_B=20 cm respectively are…202330 January, Shift 1 · Q13