.120 pints total ] As shown in the figure below, four long straight wires are at

Question

.120 pints total ] As shown in the figure below, four long straight wires are at the cormers of a square with sides of length 4.00 cm. The currents are not all in same direction, but all have the samg magnitude current of 3.50 A. .04 m /2 a. I 5 points ] Which arrow below to the left best describes the direction of the magnetic field at point P at the midpoint of the left side? Circle your choice [ 5 points ] Which arrow above to the right best describes the direction of the magnetic field at point Q at the center of the square? Circle your choice. b. [ 10 points] What is the magnitude of the net magnetic field at point Q at the center of the square? ?.-4n10-7 T-m/A c. ?( lo

Explanation / Answer

To find the direction of magnetic field,

Curved your finger of right hand with thumb straight,

put thumb in the direction of current flowing,

the curved fingure will give the direction of induced magnetic field.(Carefull as curvved fingures showing curve natiure of magnetic field).

To find the magnitude,

Find individual magnitude due to all currents and then find their directions,

Using vector addition and you will find the resultant magnetic field along with the direction.

Thankyou

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