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What does an electrical wire moving through a magnetic field generate?
EMF in the wire.
What does a moving magnetic field generate?
A moving magnetic field generates an electric field according to Faraday's law of electromagnetic induction. This phenomenon is the basis for generating electricity in devices like generators and electric motors.
When does a copper wire produce a magnetic field?
A copper wire produces a magnetic field when an electric current flows through it. This is due to the interaction between the moving electrons in the wire and the magnetic field they generate.
How does electricity create a magnetic field?
When electricity flows through a wire, it creates a magnetic field around the wire. This is because the moving electric charges generate a force that causes the magnetic field to form.
Do magnetic fields generate electric currents?
Not exactly. A CHANGING magnetic field, or a material moving through a magnetic field, will produce a VOLTAGE. This may or may not result in an actual current.
What makes a magnetic field?
A magnetic field is created by moving electric charges. When electric charges move, they generate a magnetic field that exerts a force on other moving charges within the field. materials such as iron and nickel can also create magnetic fields due to the alignment of their atomic magnetic moments.
What must happen in order electric charges to produce a magnetic field?
Electric charges must be in motion to produce a magnetic field. When electric charges move, they generate a magnetic field around them. The strength of the magnetic field depends on the speed and direction of the moving charges.
Why can an electric current create a magnetic field?
An electric current creates a magnetic field because moving charges generate a magnetic field around them according to the right-hand rule. This magnetic field is perpendicular to both the direction of the current and the surrounding space. The strength of the magnetic field is dependent on the magnitude of the current.
Why doesn't Venus have a magnetic field?
Venus does not have a magnetic field because its rotational period is very slow. This means that if its core had a liquid metal component, it would not be moving fast enough to generate a field.
What is the force of attraction or repulsion generated by moving or spinning electric charges?
Moving or spinning electric charges generate a magnetic field. This magnetic field can create a force of attraction or repulsion between the charges involved, depending on their relative orientation and movement.
How can an electrical current produce a magnetic field?
When an electrical current flows through a wire, it creates a magnetic field around the wire. This is because the moving electric charges in the current generate a magnetic field according to the right-hand rule of electromagnetism.
Would an asteroid fragment generate a magnetic field when entering the earth's atmosphere?
No, an asteroid fragment would not generate a magnetic field when entering Earth's atmosphere. Its passage through the atmosphere would likely generate heat and light due to friction with the air, but it would not create a magnetic field.
