A wire of mass 100 gm, length 1m and current 5A is balanced in mid air by a magnetic field B, then find the value of 'B' ______
A. 0.2T
B. 0.1 T
C. 0.5 T
D. 0.6 T
Answer:A
A wire of mass 100 gm, length 1m and current 5A is balanced in mid air by a magnetic field B, then find the value of 'B' ______
A. 0.2T B. 0.1 T C. 0.5 T D. 0.6 T