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# Why does a current carrying wire deflect a magnetic compass?

Updated: 9/23/2023

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Q: Why does a current carrying wire deflect a magnetic compass?
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### How do you show that electric current causes magnetism?

Put a wire carrying an electric current near a compass and it causes the needle to deflect.

### How will you locate a current carrying wire concealed in a wall?

because we take a compass which needle is deflect

yes,it would

### Can you deflect metal with magnetism?

Only if 1) the metal is magnetic (Iron, Nickel, Cobalt or magnetic alloys) or 2) the metal is carrying current

### How does a compass needle respond when a compass is places within a magnetic field?

A compass needle, as well as everything else on Earth, is ALWAYS within a magnetic field. If the compass needle is free to turn, it will align itself with the magnetic field, and point along the north/south axis of the field. If another magnetic field source appears near the compass ... such as a current-carrying electrical conductor, or a toy magnet in somebody's pocket ... whose field strength is comparable to the Earth's, then the compass will deflect, and realign itself along the north/south axis of the SUM of the fields.

### How does a compass needle respond when a compass is placed within magnetic field?

A compass needle, as well as everything else on Earth, is ALWAYS within a magnetic field. If the compass needle is free to turn, it will align itself with the magnetic field, and point along the north/south axis of the field. If another magnetic field source appears near the compass ... such as a current-carrying electrical conductor, or a toy magnet in somebody's pocket ... whose field strength is comparable to the Earth's, then the compass will deflect, and realign itself along the north/south axis of the SUM of the fields.

### How does a compass needle respond when a compass needle is placed within a magnetic field?

A compass needle, as well as everything else on Earth, is ALWAYS within a magnetic field. If the compass needle is free to turn, it will align itself with the magnetic field, and point along the north/south axis of the field. If another magnetic field source appears near the compass ... such as a current-carrying electrical conductor, or a toy magnet in somebody's pocket ... whose field strength is comparable to the Earth's, then the compass will deflect, and realign itself along the north/south axis of the SUM of the fields.

### When a compass is placed near a conductor where current flows its needle would deflect what does this indicate?

This proves that a magnetic field is developed around the conductor wen current flows through it...

Yes,

Yes.