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What is the direction of the electric current in ac?
No. The direction of the current is constantly changing, reversing direction at twice the "frequency" of the AC. For house-current in the US, that means it reverses direction 120 times every second. That's why it's called "alternating".
Who discovered electromagnetic force?
Hans Orsted first discovered that when an electric current was run through a wire and put close to a compass, the needle moved toward it. Although, he had no idea what that meant. Michael Faraday, built on his work and found that when an electric current runs through a wire, a magnetic field is produced around the wire. He also found that an electric field is around a wire it produces an electric current. The direction of the current depends on which direction the field is going in. The faster you move the electric field the stronger the current.
What are 2 ex. of how electricity and magnetism are interrelated?
First of all, the concepts of both magnetism andelectricity involve fields. An electric field is caused by a point source charge (which is + or - in charge) and is characterized by field lines emanating from the point source charge. Magnetic fields are similar, but are actually caused by charges in motion. Another instance of the interrelatedness between the two phenomena is that the magnetic field is perpendicular to the electric field. Finally, electric fields can cause a current to flow through a wire. As a result of the flow of current, A potential difference is created (voltage) and a magnetic field is formed encircling the length of the wire. The direction of the magnetic field (clockwise or counterclockwise) depends on the direction of current flow.
Who discovered electric current?
Electric current was discovered by Alessandro Volta in 1800 when he created the first chemical battery, the voltaic pile.
What happens to the electric field around a single charge when another chrage is added to the system?
When another charge is added to the system, the electric field due to the first charge will be affected. The electric field will combine or interfere with the new charge's field, resulting in a new overall electric field in the region. The strength and direction of the electric field at a point will be determined by the superposition of the fields due to each individual charge.
What is the direction of the electric current in ac?
No. The direction of the current is constantly changing, reversing direction at twice the "frequency" of the AC. For house-current in the US, that means it reverses direction 120 times every second. That's why it's called "alternating".
Where does electricity get energy?
An electric current HAS energy. The energy comes from whatever caused the electric current to flow in the first place - for example, a generator, or a battery.
Who discovered electromagnetic force?
Hans Orsted first discovered that when an electric current was run through a wire and put close to a compass, the needle moved toward it. Although, he had no idea what that meant. Michael Faraday, built on his work and found that when an electric current runs through a wire, a magnetic field is produced around the wire. He also found that an electric field is around a wire it produces an electric current. The direction of the current depends on which direction the field is going in. The faster you move the electric field the stronger the current.
How can electric current change?
In order to change an electric current, you must first change the conductor, doing so will change the flow of atoms which will change the electrical discharge.
What are 2 ex. of how electricity and magnetism are interrelated?
First of all, the concepts of both magnetism andelectricity involve fields. An electric field is caused by a point source charge (which is + or - in charge) and is characterized by field lines emanating from the point source charge. Magnetic fields are similar, but are actually caused by charges in motion. Another instance of the interrelatedness between the two phenomena is that the magnetic field is perpendicular to the electric field. Finally, electric fields can cause a current to flow through a wire. As a result of the flow of current, A potential difference is created (voltage) and a magnetic field is formed encircling the length of the wire. The direction of the magnetic field (clockwise or counterclockwise) depends on the direction of current flow.
What is the difference between DC and AC?
The primary difference between DC and AC is the direction of current flow. In a DC circuit, all electron current flow is in one direction. In an AC circuit, current flows in one direction for part of the time, and in another direction for another part of the time. In the AC circuit, we'll see current flowing "back and forth" instead of the unidirectional current flow we find in a DC circuit.DC is "Direct Current", and AC is "Alternating Current". In DC, the current flow is in one direction only. In AC, the current flow is constantly changing direction.An example of DC is the output of a battery. An example of AC is the power present in a home electrical system.The current whose magnitude and direction remains change called as alternating current.The current whose magnitude and direction remain unchanged called as d.c. Current.
Who discovered electric current?
Electric current was discovered by Alessandro Volta in 1800 when he created the first chemical battery, the voltaic pile.
What is an DC?
* Direct Current = The flow of current in a single direction * District of Columbia, Washington = the capital territory of the United States * DC Shoes = Named after the first initials of Danny Way and that of another pro, Colin McKay [1]
Did Nikola Tesla invent the Electric Motor?
There were electric motors built and patented using direct current. The first commutator-type direct current electric motor capable of turning machinery was invented by the British scientist William Sturgeon in 1832. Another was built Emily and Thomas Davenport and patented in 1837. By 1888 Nikola Tesla built and patented his alternating current motor wich is the one to power homes and builduings today.
Electric current is a flow of charge why two wires rather a single is required?
If the current flows only in one direction, it will flow for a very short time - due to the electric charge that builds up. For example excess electrons will build up on one side, and stop any further electrons from coming in.
What happens to the electric field around a single charge when another chrage is added to the system?
When another charge is added to the system, the electric field due to the first charge will be affected. The electric field will combine or interfere with the new charge's field, resulting in a new overall electric field in the region. The strength and direction of the electric field at a point will be determined by the superposition of the fields due to each individual charge.
How do you make direct current from alternating current?
First, the alternating current is filtered through a rectifier diode, that is, a device that lets the current pass only in one direction. This will produce a current that goes only in one direction, but that pulsates. To smooth this out, i.e., to convert it into a relatively uniform current, capacitors are used as "buffers".
