# In order to receive partial credit where applicable please be sure to show work for your...

###### Question:

In order to receive partial credit where applicable please be sure to show work for your calculations. Circle your final answers and include appropriate units. 1) An observer is standing a distance of 8.0 m directly underneath an electrical wire with constant (DC) current of 45.0 A. As shown in the diagram below, the direction of the current is into the page. (1(into the page) d-8.0m Calculate the magnitude of the magnetic field where the observer is standing. a. On the diagram, indicate the direction of the magnetic field at the observer's position. b. 2) Two long straight parallel wires carry currents of 50.0 A in the same direction. The wires are 5.0 cm apart. a. Calculate the magnitude of the force-per-unit-length on one wire due to the other wire b. Is this force attractive or repulsive?

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