1.

The value of magnetic field that will cause a max force of 7 x 10-3N on a 20 cm wire carrying current of 10A will be

A. 3.5 x 10-3T
B. 1.5 x 10-3T
C. 4.5 x 10-3T
D. 2.5 x 10-3T
Answer» B. 1.5 x 10-3T


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