In the common-emitter circuit with a fixed bias, the most often used mothed to regulate the base current is to regulate ( )
C
举一反三
- In the fixed bias circuit, the Q-point current and voltage are a function of ( ), since ( ) is temperature sensitive, Q-point is ( )
- β is the ratio of _____. A: collector current to emitter current B: base current to collector current C: collector current to base current D: emitter current to collector current
- When a BJT is operating in the active region, the voltage drop from the base to the emitter VBE is approximately equal to the____ A: base bias voltage B: base current times the base resistor C: diode drop (about 0.7 V) D: emitter voltage
- Which transistor amplifier configuration is the most commonly used? A: common-emitter B: common-collector C: common-base D: None of these are used more often than the others.
- 2. The word “regulate” most nearly means______.
内容
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Theword“regulate”mostnearlymeans______.
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I had to ______ the time I spent studying and the time spend socializing. A: regulate B: regulating C: regulated D: regulate to
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国际法是用来调节国家间的关系的法律体系。______ A: International law is the system of law which governs relations between states. B: International law is the system of law which is used to regulate the relationships among countries. C: International law is used to govern the law system between different states. D: International law is the legal system which can be used to regulate the relations among countries.
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The block style is the most common format and is widely used nowadays.
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The technique of “face changes” is most often used in ______ Opera.