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

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Solution

When current flows through a conductor, due to the magnetic effect of electric current, it produces a magnetic field around the conductor. Hence when the compass needle is placed near the current carrying wire, it gets influenced by the magnetic field and gets deflected.

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

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

What happens to the needle of a compass kept nearby when electric current is switched on in a wire? Why does this happen?

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Magnetic Effects of Electric Current

Standard VII Physics

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

When current flows through a conductor, due to the magnetic effect of electric current, it produces a magnetic field around the conductor. Hence when the compass needle is placed near the current carrying wire, it gets influenced by the magnetic field and gets deflected.

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