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Strong temporary magnet formed when a current is passed through a coil of wire?
This is called an electromagnet. When a current passes through a coil of wire, a magnetic field is generated around the coil. This magnetic field creates a temporary magnet that can attract or repel other magnetic materials.
What happens when you remove the power source from an electromagnet?
When you remove the power source from an electromagnet, the magnetic field that was being generated by the flow of electric current through the coils of the electromagnet dissipates. As a result, the electromagnet loses its magnetic properties and no longer attracts or repels magnetic materials.
Why will the dip not be the same everywhere in the world?
The dip of the Earth's magnetic field varies because the field is not perfectly uniform and is influenced by the local geology of each region. Changes in the magnetic properties of the Earth's crust, as well as the distribution of magnetic minerals, can cause variations in the magnetic field strength and direction, resulting in different dip angles at different locations around the world.
Is Venus electromagnet?
Venus does not have a global magnetic field like Earth does, so it is not considered an electromagnet. The lack of a magnetic field is believed to be due to Venus having a very slow rotation, which affects the generation of a magnetic field in its core.
What does an electromagnet do when it is connected with wires and a motor?
When an electromagnet is connected to wires and a motor, the electromagnet generates a magnetic field when current flows through the wires. This magnetic field interacts with other magnetic fields in the motor, causing the motor to either spin or generate motion depending on the design and configuration.
What device can be used to determine the direction of the magnetic field in the electromagnet?
A compass can be used to determine the direction of the magnetic field in an electromagnet. The needle of the compass will align along the direction of the magnetic field lines produced by the electromagnet.
What happen to an electromagnet's field if the direction of the current ic reversed?
If the direction of the current in an electromagnet is reversed, the direction of the magnetic field surrounding the electromagnet will also reverse. This change in direction will affect the polarity of the electromagnet, causing its north and south poles to switch.
How do you reverse the magnetic field of an electromagnet?
To reverse the magnetic field of an electromagnet, you can either reverse the direction of the current flowing through the coil or change the polarity of the power supply connected to the coil. This will change the direction of the magnetic field produced by the electromagnet.
Is an electromagnet what is changed by flipping the direction of the electrons which is controlled by the commutaor?
An electromagnet's magnetic field direction is changed by reversing the flow of electrons, which is achieved by controlling the commutator in a DC motor. The commutator is responsible for switching the direction of current flow through the electromagnet's coil, thereby changing the direction of the magnetic field.
What happen when you change the direction of current in an electromagnet?
If you change the direction of current in an electromagnet, (which by the way is just a coil of wire) then the direction of the magnetic field will also be reversed: That is to say, what was north is now south. If you want more info. look up "the left hand rule".
The what of an electromagnet is determined by the direction of current flow?
The polarity of an electromagnet is determined by the direction of current flow. When current flows one way, the magnetic field is oriented in one direction, and when it flows the other way, the magnetic field is oriented in the opposite direction.
In an electromagnet why is changed by flipping the direction of the electrons which is controlled by the commutator?
Changing the direction of the current in the electromagnet by flipping the direction of the electrons through the commutator changes the direction of the magnetic field generated by the electromagnet. This is because the magnetic field produced by a current-carrying wire is directly related to the direction of the current flow. By reversing the current direction, the polarity of the magnetic field is also reversed, which allows for control over the attractive or repulsive forces exerted by the electromagnet.
In an electromagnet what is changed by flipping the directions of the electrons which is controlled by the commutator?
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Why the wire of an electromagnet is wrapped in one direction when building the electromagnet?
Wrapping the wire in one direction ensures that the magnetic field created by the current flowing through the wire adds up constructively, increasing the strength of the electromagnet. If the wire was wrapped in different directions, the magnetic fields produced by each turn of wire could cancel each other out, reducing the overall effectiveness of the electromagnet.
What happens when you reverse the current in an electromagnet?
The magnetic field reverses direction.
What happens when the electric current is reversed on am electromagnet?
When the electric current is reversed on an electromagnet, the direction of the magnetic field is also reversed. This means that the north and south poles of the electromagnet switch places. This change in polarity can have various effects depending on the application, such as reversing the direction of motion in a motor or changing the direction of attraction or repulsion in a magnetic system.
How is a permanentmagnet different from a electromagnet?
a permanent magnet is always magnetic as an electromagnet is only magnetic when it is wound around with wire and energised
