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If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?
- a)It is decreased by a factor of 3.
- b)It is increased by a factor of 3.
- c)It is neither increased nor decreased.
- d)Collector current is independent of base width.
Correct answer is option 'A'. Can you explain this answer?
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If the base width of a bi-polar transistor is increased by a factor of...
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So, if WB increases by a factor of 3, then IC is decreased by a factor of 3.
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If the base width of a bi-polar transistor is increased by a factor of...
Explanation:
Bi-polar transistor:
A bipolar transistor is a three-layer semiconductor device consisting of two pn junctions and three layers of semiconductor material: the emitter, base, and collector. The current flowing through the transistor is controlled by the current flowing into the base terminal.
Collector current and base width:
The collector current in a bipolar transistor is directly proportional to the base current. The base current controls the flow of charge carriers from the emitter to the collector, thus controlling the collector current.
Effect of increasing base width:
Increasing the base width of a bipolar transistor affects the base current and, in turn, the collector current. When the base width is increased, the current gain of the transistor decreases. This is because a wider base region allows more charge carriers to recombine within the base region itself, resulting in a lower current gain.
Effect on collector current:
When the base width is increased by a factor of 3, it means that the base region becomes three times wider. As a result, the current gain of the transistor decreases by the same factor. Since the collector current is directly proportional to the base current, the collector current will also decrease by a factor of 3.
Answer:
Therefore, the correct answer is option 'A'. When the base width of a bipolar transistor is increased by a factor of 3, the collector current is decreased by a factor of 3.
Bi-polar transistor:
A bipolar transistor is a three-layer semiconductor device consisting of two pn junctions and three layers of semiconductor material: the emitter, base, and collector. The current flowing through the transistor is controlled by the current flowing into the base terminal.
Collector current and base width:
The collector current in a bipolar transistor is directly proportional to the base current. The base current controls the flow of charge carriers from the emitter to the collector, thus controlling the collector current.
Effect of increasing base width:
Increasing the base width of a bipolar transistor affects the base current and, in turn, the collector current. When the base width is increased, the current gain of the transistor decreases. This is because a wider base region allows more charge carriers to recombine within the base region itself, resulting in a lower current gain.
Effect on collector current:
When the base width is increased by a factor of 3, it means that the base region becomes three times wider. As a result, the current gain of the transistor decreases by the same factor. Since the collector current is directly proportional to the base current, the collector current will also decrease by a factor of 3.
Answer:
Therefore, the correct answer is option 'A'. When the base width of a bipolar transistor is increased by a factor of 3, the collector current is decreased by a factor of 3.
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If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer?
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If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer?.
If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the base width of a bi-polar transistor is increased by a factor of 3, what is the collector current change?a)It is decreased by a factor of 3.b)It is increased by a factor of 3.c)It is neither increased nor decreased.d)Collector current is independent of base width.Correct answer is option 'A'. Can you explain this answer?.
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