The figure shows an end view of two wires carrying current. means that the direc

Question

The figure shows an end view of two wires carrying current. means that the direction of the current points into the page and means out of the page. What is the direction of the force that wire 1 exerts on wire 2? Refer to the figure in question 1. Is the direction of the magnetic field around wire one clockwise or counter - clockwise? Two wires carrying equal currents exert a force F0 on each other. The current in each wire is doubled, while the distance of separation remaining constant. What is the magnitude of the force that one wire exerts on the other? Refer to the configuration in Step 2 of the experiment, if the electronic balance reading decreases as the current increases, is the magnetic force attractive or repulsive? When a magnetic field is parallel to a current-carrying wire, what is the force on the wire?

Explanation / Answer

1.)
Two wires carrying current in the same direction attract each other, and they repel if the currents are opposite in direction , In our case wire 1 and wire 2 carry current in opposite direction Therefore,

Force on wire 2 due to wire 1 is = Towards Right(+ve X-axis) i.e Repelling Force.

2.)
Current in wire 1 has direction out of the page , Therefore using Right hand thumb rule - Thumb points in the direction of current and finger curls in the direction of Magnetic field. Therefore,
The direction of magnetic field is Counter clockwise.

PLEASE POST SEPARATE QUESTION IN SEPARATE POST ONLY.

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