Multiple Choice
The overhead cable for a street trolley is strung horizontally 5 m above the ground.A long straight section of it carries a 100 A current due west.What is the magnetic field due to the current in the cable at street level directly under the cable?
A) 4·10-6 T,pointing west
B) 500 T,pointing south
C) 500 T,pointing west
D) 4·10-6 T,pointing south
E) 2·10-8 T,pointing east
Correct Answer:
Verified
Correct Answer:
Verified
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