A power line lies along the east-west direction and carries a current of 10 A. The force per meter due to earth’s magnetic field of 10-4 T is 10-x N/m. The value of x is
A. 5
B. 3
C. 8
D. 2
Answer:B
A power line lies along the east-west direction and carries a current of 10 A. The force per meter due to earth’s magnetic field of 10-4 T is 10-x N/m. The value of x is
A. 5 B. 3 C. 8 D. 2