Four electric currents, equal in magnitude are arranged at the corners of a square as shown...

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Four electric currents, equal in magnitude are arranged at the corners of a square as shown in the figure. Two currents go in

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Answer 1

Answer #1

Here, we can use right hand thumb rule for magnetic field. Point your thumb in the direction of current and curl your fingers. The direction of fingers will give the direction of magnetic field.

Here are the field vectors drawn as per the rule. Notice that when we resolve them into components, they all will cancel out eventually because the current in same.

The x - component will cancel out.

Therefore, we will have net magnetic field in y direction

The correct option is - up (to the top of the page)

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Answer 2

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Four electric currents, equal in magnitude are arranged at the corners of a square as shown...

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