The magnetic field has been measured to be horizontal everywhere along a square path of sides...

 

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The magnetic field has been measured to be horizontal everywhere along a square path of sides a = 18 cm, as shown in figure. Along the bottom the average magnetic field is B₁6.84x10-5 T. Along the sides the average magnetic field is B₂ = 0.097 T. The total current in the area that is surrounded by the square path is out of the page and of magnitude I = 8.82 A. B3 B₂ 1 la I a B₁ a) What is the magnitude of the average magnetic field at the top? B3 b) If the current was doubled and its direction was into the page, what would be the average magnetic field vector at the top? The magnetic field has been measured to be horizontal everywhere along a square path of sides a = 18 cm, as shown in figure. Along the bottom the average magnetic field is B₁6.84x10-5 T. Along the sides the average magnetic field is B₂ = 0.097 T. The total current in the area that is surrounded by the square path is out of the page and of magnitude I = 8.82 A. B3 B₂ 1 la I a B₁ a) What is the magnitude of the average magnetic field at the top? B3 b) If the current was doubled and its direction was into the page, what would be the average magnetic field vector at the top?

Answer rating: 100% (QA)

To find the magnitude of the average magnetic field at the top B3 we need to use Ampres Law which relates the magnetic field around a closed loop to t... View the full answer