Two long, straight parallel wires are 10.0 cm apart and carry 3.60 A currents in

Question

Two long, straight parallel wires are 10.0 cm apart and carry 3.60 A currents in the same direction

Part A

Find the direction of the magnetic field at point P1, midway between the wires.

Please ChooseThe field is directed toward to the top of the page. The field is directed toward to the bottom of the page. The field is directed to the right. The field is directed to the left. The field is zero.

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Part B

Find the magnitude of the magnetic field at point P1, midway between the wires.

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Part C

Find the direction of the magnetic field at point P2, 35.0 cm to the right of P1.

Please ChooseThe field is directed toward to the top of the page. The field is directed toward to the bottom of the page. The field is directed to the right. The field is directed to the left. The field is zero.

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Part D

Find the magnitude of the magnetic field at point P2, 35.0 cm to the right of P1.

Explanation / Answer

Two long, straight parallel wires are 10.0 cm apart and carry 3.60 A currents in the same direction
(A)
At a point midway btw the wires,
The Field is Zero !!

(B)
Magnitude of the magnetic field at point P1 = 0

(C)
Direction of the magnetic field at point P2, 35.0 cm to the right of P1., The field is directed toward to the top of the page.

(D)
B1 = (uo*I)/(2**R1)
B2 = (uo*I)/(2**R2)

Bnet = B1 + B2 = (2*10^-7*3.6) * ( 1/0.3 + 1/0.4)
Bnet = 4.2 * 10^-6 T

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