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Depends what you mean by valve.
If you talking about something that can limit or adjust the amount of current through a circuit then a rheostat or potentiometer. This has the same function as a valve in a Plumbing system.
The term valve, can also refer to old "valve-tubes" which were used in early electrical circuits, these had various functions, but were mostly used as amplifiers or transistors/ switches.
What else can I help you with?
What are the disadvantages of core and shell types construction?
The 'core' type is a magnetic circuit equivalent to an series electric circuit; a 'shell' type is equivalent to a parallel electric circuit. So, the reluctance (magnetic equivalent of resistance) will be lower for a shell type of similar cross-sectional
What is the history of the electric circuit?
the history of the electric circuit is that the person who made it his name is jack kilby but the history is that the electric circuit was one of the easiest way was to make the electric circuit when the electricity went out. THE END
Which is best core or shell transformers?
Because the flux leakage is less in shell type than that in core type T/F.Additional AnswerA shell-type core's magnetic circuit is equivalent to a parallel electric circuit, so it has a lower reluctance compared to a core-type core of similar cross-sectional area.
What is the function of a combination pliers in an electric circuit?
for made of electric circuit safety device,
How are series parallel circuits different?
A series is an electric circuit with a single path.A parallel circuit is an electric circuit with multiple paths.
What is an electric circuit that controls another electric circuit through a relay?
Remote-Control Circuit. Any electrical circuit that controlsany other circuit through a relay or an equivalent device.
What are the disadvantages of core and shell types construction?
The 'core' type is a magnetic circuit equivalent to an series electric circuit; a 'shell' type is equivalent to a parallel electric circuit. So, the reluctance (magnetic equivalent of resistance) will be lower for a shell type of similar cross-sectional
What is the differenc of shell type and core type?
With a core type core, the windings surround the limbs. With a shell type core, empty limbs surround the limbs bearing the windings. From the magnetic circuit point of view, a core-type is equivalent to a series electric circuit, whereas a shell type is equivalent to a parallel electric circuit.
Closed path where electric current can flow is called a?
I guess Electric Circuit....
What causes a electric current in a electric circuit?
Voltage causes current to flow in an electric circuit.
The pathway taken by an electric current is a?
The term is "circuit" (from the same root as circle) An electric circuit must be uninterrupted for the current to flow. (This is why circuit-breakers are also called circuit-interruptors.)
What is the history of the electric circuit?
the history of the electric circuit is that the person who made it his name is jack kilby but the history is that the electric circuit was one of the easiest way was to make the electric circuit when the electricity went out. THE END
How can you make the electric circuit?
Anything with a voltage power source, connecting wire and a load is an electric circuit. Hence if you have a flashlight you have an electric circuit.
What is 4 amps?
4 amps is a unit of electric current that measures the rate of flow of electric charge. It is equivalent to 4 coulombs of charge passing through a point in a circuit per second. Amps are commonly used to measure the strength of an electric current in a circuit.
Which is best core or shell transformers?
Because the flux leakage is less in shell type than that in core type T/F.Additional AnswerA shell-type core's magnetic circuit is equivalent to a parallel electric circuit, so it has a lower reluctance compared to a core-type core of similar cross-sectional area.
Impedience of electric circuit?
The impedance of an electric circuit is the measure of the opposition presented by a circuit when the current and voltage is applied.
What is magnetic relunctance?
Reluctance is the opposition offered by a magnetic circuit to the formation of magnetic flux. It is equivalent to resistance in an electric circuit.Reluctance is the ratio of a magnetic circuit's magnetomotive force (measured in amperes) to its magnetic flux(measured in webers, pronounced 'vay-bers'). So, reluctance is measured in amperes per weber (which is often 'spoken' as 'ampere-turns per weber'). This is equivalent, in an electric circuit, to the ratio: electomotive force to electric current.
