Question 1 10.5 pts A circular wire lies in the x-y plane with a radius of 0.78

Question

Question 1 10.5 pts A circular wire lies in the x-y plane with a radius of 0.78 m. It is wrapped 10 times. The magnetic moment produced by this wire is 16 A m2 in the +z direction. What is the amount and direction of the current in the wire, in amps? Indicate a clockwise direction with a negative sign. 0.8400 Question 2 10.5 pts A long (infinitely long) wire is located on the x axis has a current of 4.6 amps tra +x direction. Another long infinite wire lies directly "above" the first wire at y +1.0 m and is parallel to the first wire. The force per unit length on this wire (at y +1.0 m) is 17 x 107 N/m in the +y direction. What is the amount and direction of the current on the x axis in amps? Indicate the -x direction by including a negative sign velling in the

Explanation / Answer

Magnetic moment for the coil is given by =NIA

N=6

I has to be calculated

A=pi*0.78^2 = 1.91 m2

Putting the value

16= 6*I*1.91

I= 1.4 A

Direction = positive

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