Three long current-carrying wires intersect forming an equilateral triangle of side l. The relative magnitude and direction of the current on each wire are shown in the image below. 31 21 What is the magnetic field at a point P at the center of the triangle? (D represents the shortest distance from each wire to point P.) O poI/2nD, into the screen. HoI/2ñD,out of the screen. O 2µoI/TD, into the screen. 2µoI/TD, out of the screen. None of the other answers.
Three long current-carrying wires intersect forming an equilateral triangle of side l. The relative magnitude and direction of the current on each wire are shown in the image below. 31 21 What is the magnetic field at a point P at the center of the triangle? (D represents the shortest distance from each wire to point P.) O poI/2nD, into the screen. HoI/2ñD,out of the screen. O 2µoI/TD, into the screen. 2µoI/TD, out of the screen. None of the other answers.
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Transcribed Image Text:Three long current-carrying wires intersect forming an equilateral triangle of side l. The relative
magnitude and direction of the current on each wire are shown in the image below.
31
P
21
What is the magnetic field at a point P at the center of the triangle? (D represents the shortest
distance from each wire to point P.)
HoI/2n D, into the screen.
HoI/2TD, out of the screen.
2µoI/TD, into the screen.
2µoI/TD,out of the screen.
None of the other answers.
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