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NEETPhysicsMagnetic Effects of Current

What is the magnitude and direction of the magnetic field 1.5 meters below a horizontal overhead power line carrying a current of 90 A in the east-to-west direction?

Options

  1. A1.2 × 10 –5 T, towards north
  2. B1.2 × 10 –5 T, towards south
  3. C2.4 × 10 –5 T, towards east
  4. D2.4 × 10 –5 T, towards west

Correct answer

B. 1.2 × 10 –5 T, towards south

Step-by-step solution

Correct Option is : (B) 1.2 × 10 –5 T, towards south

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