WHAT CAUSES DEFLECTION OF THE COMPASS NEEDLE WHEN CURRENT FLOWS THROUGH A WIRE NEARBY ?

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Solution

A current carrying wire produces magnetic field around itself. If a magnetic needle is taken in the magnetic field, it experience a magnetic force.This is the cause compass needle deflection when current flow through the wire nearby.

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Similar questions

(a) Name and explain any two effects of electric current.

(b) When current flows through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.
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Q. The effect of current causes deflection in a compass needle when it is placed near a current-carrying wire.

Q. When the current us swtiched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.

Question 6
When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.

Q. When a magnetic compass needle is carried nearby to a straight wire carrying current, then
(I) the straight wire cause a noticeable deflection in the compass needle.
(II) the alignment of the needle is tangential to an imaginary circle with straight wire as its centre and has a plane perpendicular to the wire

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