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Can an electric current generate an electromagnetic wave?
Not a constant electric current but a changing one will generate electromagnetic waves.First: If you have a lone electron, and it is accelerated in any way, it will send off an electromagnetic wave. This is because a changing electric field generates a magnetic field.It is also true that changing magnetic field will generate an electric field. This is the reason that if you have an electric current, which is generating a magnetic field, and you change the current you generate an electromagnetic wave. To generate a continuous sinusoidal electromagnetic wave you continuously change the current sinusoidally.
What starts the vibration of the electric and magnetic fields in an electromagnetic wave?
The vibration of the electric and magnetic fields in an electromagnetic wave is initiated by a changing electric current or an accelerating electric charge. When these occur, the varying electric and magnetic fields interact and propagate through space in the form of an electromagnetic wave.
What changes a sound wave into an electric current?
Sound waves are longitudinal waves. These would vibrate a diaphragm which has been attached with a coil kept in a magnetic field. As the coil vibrates then current is induced. This is how sound wave gets changed into electric current.
Why is a vibrating electric field an example of an electromagnetic wave?
A vibrating electric field produces a changing magnetic field, which then generates a changing electric field and so on, creating a self-propagating wave. This wave consists of oscillating electric and magnetic fields perpendicular to each other and to the direction of wave propagation, thus exhibiting the characteristics of an electromagnetic wave.
What is the opposite of a electric current?
The opposite of an electric current is the absence of an electric current, meaning no flow of electric charge through a conductor.
Can an electric current generate an electromagnetic wave?
Not a constant electric current but a changing one will generate electromagnetic waves.First: If you have a lone electron, and it is accelerated in any way, it will send off an electromagnetic wave. This is because a changing electric field generates a magnetic field.It is also true that changing magnetic field will generate an electric field. This is the reason that if you have an electric current, which is generating a magnetic field, and you change the current you generate an electromagnetic wave. To generate a continuous sinusoidal electromagnetic wave you continuously change the current sinusoidally.
What starts the vibration of the electric and magnetic fields in an electromagnetic wave?
The vibration of the electric and magnetic fields in an electromagnetic wave is initiated by a changing electric current or an accelerating electric charge. When these occur, the varying electric and magnetic fields interact and propagate through space in the form of an electromagnetic wave.
What changes a sound wave into an electric current?
Sound waves are longitudinal waves. These would vibrate a diaphragm which has been attached with a coil kept in a magnetic field. As the coil vibrates then current is induced. This is how sound wave gets changed into electric current.
Why is the electric current you receive at your house is called alternating current?
The voltage and current are delivered in a sine wave that goes positive and then negative at 60 cycles per second. Google sine wave to see what a sine wave looks like.
Does earphones change electric current to sound wave?
Yes, ear buds and headphones are miniature speakers.
Can a sound wave produce a magnetic field?
sound wave cannot produce magnetic field because magnetic field is created due to flow of electric currents sound is a mechanical wave, sound is produced due to vibration in a medium so sound wave cannot create electric current or magnetic field
What type of wave is radiation?
EM radiation is short for electromagnetic radiation. It is a wave in the electric and magnetic fields.EM radiation is short for electromagnetic radiation. It is a wave in the electric and magnetic fields.EM radiation is short for electromagnetic radiation. It is a wave in the electric and magnetic fields.EM radiation is short for electromagnetic radiation. It is a wave in the electric and magnetic fields.
What is the continuous flow of electric charges through a material?
Yes, an electric current is the flow of charged particles.
Why is a vibrating electric field an example of an electromagnetic wave?
A vibrating electric field produces a changing magnetic field, which then generates a changing electric field and so on, creating a self-propagating wave. This wave consists of oscillating electric and magnetic fields perpendicular to each other and to the direction of wave propagation, thus exhibiting the characteristics of an electromagnetic wave.
What is the direction of flow of electric current in an electric current?
DC current
What is the opposite of a electric current?
The opposite of an electric current is the absence of an electric current, meaning no flow of electric charge through a conductor.
What is a wave that consists of electric and magnetic fields?
electronic wave
