on A This section contains 35 SINGLE CORRECT TYPE questions

Last updated: 6/13/2023

on A This section contains 35 SINGLE CORRECT TYPE questions Each question has 4 choices 1 2 3 and 4 out of which only one is correct A rectangular coil of 50 turns is hung vertically in uniform horizontal magnetic field of magnitude 10 2 T so that plane of the coil is parallel to field height of coil is 5 cm and width is 2 cm What strength of current must pass through it in order to deflect it through 30 if torsional constant of suspension wire is 10 N m per degree O 32 A O 36 A 69 A 12 A 0