Question
Question: If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 c...
If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is
A
5.34 × 10-5 T
B
8.34 × 10-5 T
C
9.6 × 10-5 T
D
10.2 × 10-5 T
Answer
5.34 × 10-5 T
Explanation
Solution
I= 40 A
