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Four long wires in a horizontal plane ea...

Four long wires in a horizontal plane each carry current 5 A in the directions shown. They cross each other without touching to form a square as shown in the figure. Point P is at the centre of the square.

The magnetic field at point P due to one wire only is B. The strength and direction of the magnetic field at point P due to all the four wires is.

A

3B out of the page B.

B

2B out of the page

C

3B into the page

D

2B into the page.

Text Solution

Verified by Experts

The correct Answer is:
D
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