Three different Q points are shown on a dc load line. The upper Q point represents the:
The polarity of VBE is such that it reverse biases the base-emitter junction.
What is the collector current for a C-E configuration with a beta of 100 and a base current of 30 A?
BJTs are "junction" transistors because they use current-carrying P-N junctions.
Current gain in a transistor is inversely proportional to collector current.
When a transistor is operating as a variable resistor it has transistance.
A decrease in base current of a C-E amplifier causes the voltage measured between the emitter and the collector to increase.
In a BJT, the collector current is approximately equal to the base current.
The input/output relationship of the common-collector and common-base amplifiers is:
A transistor may be used as a switching device or as a:
The voltage measured from the collector to the emitter is the sum of the base-emitter voltage plus the collector-base voltage.
In a common-base (C-B) amplifier, the output is 180 degrees out of phase with the input.
The voltage measured from the collector to the emitter is the sum of the voltage base-emitter plus the voltage collector-base.
If a transistor operates at the middle of the dc load line, a decrease in the current gain will move the Q point:
Which is beta's current ratio?
A current ratio of IC/IE is usually less than one and is called:
Transistors are controlled to operate as a switch or to operate as a variable resistor.
The input resistance of the base of an emitter-follower is usually _________.
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