PLEASE HELP ME CORRECT MY ANSWERS. 1. In the figure below, four equidistant para

Question

PLEASE HELP ME CORRECT MY ANSWERS.

1. In the figure below, four equidistant parallel wires each carry 100-Amps. The directions are marked (into or out of page). Which of the three has zero magnetic field at the midpoints of the wires? (d) All threeeNone of the three igure for Problenm Figure for Problem 3& 4 Figure for Problem 5 2. In the left figure, the current magnitudes are 11-1.0 A, 12-3.0 A, and I3-3.0A and directions are as f B - dl value? The integration paths are all counter shown. Which integration path gives a negative clockwise. Circle all that apply. - d. e.-None of the 4 loops a. c. 3. In the middle figure above, the long wire has 1-20 4. Which loop has a clock-wise induced current? ?C9 4. (Middle figure) Which of the loops has a counter-clockwise induced current (circle all that apply)? d. e, None of the four loops c. d. e. None of the four loops. a. A metal bar is moving along the rails as shown in the right figure above. What is the direction of the induced current? 5. a.) Clockwise c. There is no induced current e. None of the above b. Counter-clockwise d. There is not enough information

Explanation / Answer

1. ans will (b) as magnetic fields due to opposite corner will cancel out using right hand thumb rule.

2. ans will be (b) as the magnetic field due to current at position b is in clockwise, which can be found out by using right hand thumb rule.

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