Two long wires are oriented sot that they are perpendicular to each other as sho

Question

Two long wires are oriented sot that they are perpendicular to each other as shown below. Which of the following is a correct statement regarding the field of each individual wire at the point midway between the wires?

A. Both fields are into the page.

B. Both fields point left.

C. The field from the top wire points to the right and the field from the bottom wire points out of the page.

D. The field from the top wire points left and the field from the bottom wire points right.

E. The field from the top wire points into the page and the field from the bottom wire points out of the page.

Explanation / Answer

Using right hand thumb rule, Grab each wire. Now point your thumb in the direction of current, now curl your fingers. The direction in which fingers curl is the direction of magnetic field.

For the bottom wire, the field points out of the page.

For the upper wire, the current is out of the page and field is in the right direction.

Therefore, Option C is correct

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