Two straight, parallel, current-carrying wires separated by a distance of 75.5mm carry the same 22 350 A-currents, flowing in similar directions. What is the force per unit length exerted by the two wires upon each other? a. 1322.57Nm b. 7865.51Nm c. 930.35Nm d. 1277.49Nm
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Two straight, parallel, current-carrying wires separated by a distance of 75.5mm carry the same 22 350 A-currents, flowing in similar directions. What is the force per unit length exerted by the two wires upon each other?
a. 1322.57Nm
b. 7865.51Nm
c. 930.35Nm
d. 1277.49Nm
2. A distance of 3 cm separates two straight, parallel, current-carrying wires with currents 18 500 A and 19 350 A, respectively. What is the force per unit length exerted by the two wires upon each other?
a. 4456.31Nm
b. 2387.29Nm
c. 23.871Nm
d. 44.563Nm
3. Which of the following is not true about the magnetic field due to a single moving charge with constant velocity?
a. is directly proportional to the radius r
b. is proportional to the magnitude of the charge q
c. The direction of is perpendicular to the line from the source to the field point and charge's velocity vector.
d. The magnetic field magnitude B is proportional to the particle's speed.
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