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A: When a transistor is saturated current can flow in both direction qualifying it as a switch

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13y ago
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10y ago

When you turn it on, it conducts, when you turn it off it doesn't conduct. Just like a switch.

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Q: How transistor act as a switch?
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Related questions

Why a transistor acts as a switch?

Only because the circuit that its embeded in is designed that way. Remember, a transistor is basicly an amplifier ... only if you design everything to go to the extreams will it act as a switch.


Why transistors are designed?

For switching applications transistor is biased to operate in the saturation or cutoff region. Transistor in cutoff region will act as an open switching whereas in saturation will act as a closed switch.


Is a transistor a small electronic switch?

A transistor is used to switch electronic signals.


What is the purpose of the Unijunction Transistor?

A Unijunction Transistor is a transistor that acts solely as a switch.


Within a CPU a transistor act as?

In a microprocessor, field-effect transistors behave as electrically-controlled switches.


What is transistor BC557?

it is a transistor used in IR TOGGLE SWITCH. :-)


Why a transistor is used as a amplifier and switch?

transistor has 2 output 1 and 0 so can be used as a switch


What are thermal transistors?

Thermal transistor is an efficient heat control device which can act as a heat switch as well as a heat modulator.


What is Transit time in transistor or diode?

A transistor is a switch. A diode directs the flow of current.


What electronic component is a gate or switch for electrical signals?

Transistor or vacuum tube.


How transistor acts as a amplifier?

A transistor does not act as an amplifier. It is used as a component in an amplifier circuit.


What are sleep transistors?

A rest transistor is either a pMOS or nMOS high VT transistor and is utilized as a change to close off force supplies to parts of a configuration in standby mode. The pMOS rest transistor is utilized to switch VDD supply and henceforth is known as a "header switch."