Questions
Three infinitely long straight current carrying wires, each carrying a current I, are placed at the vertices of an equilateral triangle of side 1 m. Then resultant magnetic induction at the centroid of the triangle is
detailed solution
Correct option is D
Centroid G of the triangle is equidistant from the conductors A, B and C. As a result, each of the three conductors produces magnetic field at G of magnitude B, but in different directions such that BA→,BB→ and BC→ from a closed triangle as shown. Hence the resultant field at G is zero.Talk to our academic expert!
Similar Questions
ABCD is a square loop made of a uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is
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