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The electrical current in solid metallic conductors is the effect of what?
The electrical current in solid metallic conductors is the result of the flow of electrons. Electrons are mobile charge carriers within the metal that can move in response to an electric field, creating a flow of current.
Does electric current flow only on the surface of the copper conductor?
The AC current tend to flow on the surface of the conductor. The higher the frequency, the thinner the skin. This is known as the skin effect. So DC current flow throught the entire conductor but when the signal varies (AC) there is the formation of eddy current in the conductor itself and that pushes the electrons at the surface of the conductor. You can get more information on the skin effect and skin depth on wikipedia : http://en.wikipedia.org/wiki/Skin_effect http://en.wikipedia.org/wiki/Skin_depth
Why do major surface current gyres in the northern hemisphere flow clockwise?
The Coriolis effect causes northern gyres to spin clockwise.
What is the direction of current due to flow of electrons if it is not conventional current?
The direction of current due to flow of electrons is opposite to the direction of conventional current. This is because electrons have a negative charge, so when they flow in a wire, they are actually moving in the opposite direction to the current flow defined by convention.
What is a stream of charged protons and electrons from the sun?
Those are two different things. Here are the answers to both: -- There is no such thing as a "flow of power". -- The flow of electric charge is "electric current".
What is the effect if there is a sudden flow of electric current?
electric shock
What is the effect of resistance of the flow of current?
Thet resistor opposes the flow of current through it becoz of its internal construction. Its material has opposing property.
How can an ammeter be connected in a circuit and not effect the flow of current?
The ammeter does affect the flow of current in a circuit, however, the resistance of the ammeter is so small in comparison to the circuit that the effect is negligible. It is connected in series.
What is Hall effect and what is a Hall effect current transformer?
a current flow close to a magnetic source it influence the sources hall effect is a disturbed signal as a function of speed.
How do you explain the effect of the number of batteries on the amount of current produced?
The number of batteries has only an effect on the amount of current when they are equivalent and connected in parallel. The amount of current that can flow from a group of batteries connected in series is limited to the current provided by the battery that produces the lowest current flow in the string.
How do we usually think of voltage as the cause and currents the effect?
You apply a voltage across a load and the result is that a current flows through the load. So you must have the voltage present, the cause, before current flow, the effect. Think of voltage as pressure and current as flow.
Is it true that in phenomenon known as the Doppler effect electric current will flow when light shines on certain substances?
It is not true that the Doppler effect has anything to do with electricity and the flow of current. The Doppler effect involves pitch and sound frequency of moving objects, for example the apparent noise changes of an approaching car.
What happens to the heating effect when the direction of current is reversed?
When the direction of current is reversed, the heating effect remains the same. The amount of heat generated is determined by the magnitude of the current and the resistance in the circuit, independent of the direction of the current flow.
Difference between electron flow and conventional current?
Conventional current flow refers to a flow of positive charges. It is a kind of ficticious current. If - as is often the case - the real current is an electron flow (negative charges), then the conventional flow is a current in the opposite direction as the electron movements, since this would have the same effect (for example on the magnetic field, or on conservation of charge).
Why the flow of current is not visible in wire?
flow of electrons is not visible.only it can be sensedAnswerCurrent can only be detected through one or more of its effects. There are three effects of an electric current: heating effect, magnetic effect, and chemical effect. We use the magnetic effect (the force between currents in parallel conductors due to their magnetic effects) to define the ampere.
Special load in a circuit that slows down the flow of electrons?
Loads do not 'slow down' electron flow. They effect the magnitude of a current, not its speed!
What do you mean by magnetic affect of electric?
The magnetic effect of electric current is known as electromagnetic effect. It is observed that when a compass is brought near a current carrying conductor the needle of compass gets deflected because of flow of electricity. This shows that electric current produces a magnetic effect.
