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Placing a compass under a current-carrying wire can cause the needle to deflect due to the magnetic field produced by the electric current. This phenomenon, known as the right-hand rule, demonstrates the relationship between electric current and magnetic fields.

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1y ago

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What happens to the needle of a compass as a wire carrying electric current is placed across it?

The needle of a compass will deflect from its original position when a wire carrying an electric current is placed across it. This is due to the magnetic field created by the current in the wire, which interacts with the magnetic field of the compass needle, causing it to move.


What direction does a wire point towards when a compass is placed nearby?

When a compass is placed near a wire, the wire points in the direction of the magnetic field created by the electric current flowing through the wire.


Why does a compass needle placed near a current carrying wire show deflection?

A compass needle placed near a current-carrying wire shows deflection because the moving charges in the wire create a magnetic field around the wire. This magnetic field interacts with the magnetic field of the compass needle, causing it to align with the direction of the current flow in the wire.


Describe what happens when you hold a compass close to a wire carrying a current?

When a compass is held close to a wire carrying a current, the magnetic field produced by the current will deflect the compass needle. This happens because a magnetic field is generated around the wire due to the flow of current, and the compass needle aligns itself with this magnetic field. The deflection of the compass needle can be used to determine the direction of the current in the wire.


What happens when a compass is placed near a current-carrying wire?

That depends. If we assume that current is flowing though the wire then there is an induced magnetic field equal to B=u_o*I/(2R*pi). For a visual refer to http://hyperphysics.phy-astr.gsu.edu/HBASE/magnetic/magcur.html#c2

Related Questions

What happens to the needle of a compass as a wire carrying electric current is placed across it?

The needle of a compass will deflect from its original position when a wire carrying an electric current is placed across it. This is due to the magnetic field created by the current in the wire, which interacts with the magnetic field of the compass needle, causing it to move.


What direction does a wire point towards when a compass is placed nearby?

When a compass is placed near a wire, the wire points in the direction of the magnetic field created by the electric current flowing through the wire.


Why does a compass needle placed near a current carrying wire show deflection?

A compass needle placed near a current-carrying wire shows deflection because the moving charges in the wire create a magnetic field around the wire. This magnetic field interacts with the magnetic field of the compass needle, causing it to align with the direction of the current flow in the wire.


Describe what happens when you hold a compass close to a wire carrying a current?

When a compass is held close to a wire carrying a current, the magnetic field produced by the current will deflect the compass needle. This happens because a magnetic field is generated around the wire due to the flow of current, and the compass needle aligns itself with this magnetic field. The deflection of the compass needle can be used to determine the direction of the current in the wire.


What happens when a compass is placed near a current-carrying wire?

That depends. If we assume that current is flowing though the wire then there is an induced magnetic field equal to B=u_o*I/(2R*pi). For a visual refer to http://hyperphysics.phy-astr.gsu.edu/HBASE/magnetic/magcur.html#c2


What happens to the compass needle when the current in the wire is switched?

It will return to pointing North.


Why does a current carrying wire deflect a magnetic compass?

A current-carrying wire generates a magnetic field around it due to the flow of electric charges. When the wire is placed near a magnetic compass, the magnetic field produced by the wire interacts with the magnetic field of the compass needle, causing the needle to deflect and align with the direction of the wire's magnetic field.


What happens to a compass when it is brought near a current-carrying wire?

When a compass is brought near a current-carrying wire, the magnetic needle of the compass will align itself perpendicular to the wire due to the magnetic field created by the flowing current. This effect is known as the right-hand rule for electromagnetism.


Why does the needle on a compass move when placed in the coil of wire?

It moves because it wants to have compass babies with raccoons and so it won't get high it move and that is it giving birth


Describes what happens when hold a compass close to wire carrying current?

When a compass is held close to a wire carrying current, the magnetic field created by the current induces a magnetic field around the wire. The compass aligns with this magnetic field and its needle will deflect in a direction perpendicular to the wire. This can be used to determine the direction of the current flow in the wire.


What happens When a wire with a current is placed in a magnetic field?

electricity is induced


What will be deflection in compass needle of a magnet when a current carrying wire is placed over it?

The compass needle will turn until it's perpendicular to the wire, provided the current in the wire is enough to generate a magnetic field around the wire that's strong enough to swamp out the effects of the Earth's magnetic field. (That doesn't take much current.)