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A power FET that operates as a device B and allows device A to communicate with or control device C is called


A) a connector.
B) an interface.
C) a coupler.
D) a transceiver.

E) All of the above
F) B) and C)

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Personal computers have proliferated because of what semiconductor device?


A) BJT
B) E-MOSFET
C) JFET
D) depletion-mode MOSFET

E) B) and C)
F) A) and B)

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When the input voltage to the circuit shown in Figure 12-16 is 0 V When the input voltage to the circuit shown in Figure 12-16 is 0 V   A)  the LED is on. B)  the LED is off. C)  the drain voltage is +20 V. D)  the source voltage is +20 V.


A) the LED is on.
B) the LED is off.
C) the drain voltage is +20 V.
D) the source voltage is +20 V.

E) A) and B)
F) A) and D)

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When the gate voltage of the E-MOSFET is well above the threshold voltage,the device switches from cutoff to saturation.

A) True
B) False

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One major advantage of a power FET over a bipolar junction transistor is


A) that an FET is current controlleD.
B) the lack of thermal runaway.
C) the lower input resistance.
D) it requires a larger heat sink.

E) B) and C)
F) A) and D)

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Because a bipolar junction transistor has a negative temperature coefficient,it may be damaged by


A) static charges.
B) thermal runaway.
C) improper grounding.
D) improper coupling.

E) C) and D)
F) A) and B)

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