DC Biasing BJTs – Exercise – 1

46. In a fixed-bias circuit with a fixed supply voltage VCC, the selection of a ________ resistor sets the level of ________ current for the operating point.

(a) collector, base
(b) base, base
(c) collector, collector
(d) None of the above

Answer
Answer : (b)
Explanation
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47. ________ should be considered in the analysis or design of any electronic amplifiers.

(a) dc
(b) ac
(c) dc and ac
(d) None of the above

Answer
Answer : (c)
Explanation
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48. In an emitter-bias configuration, the ________ the resistance RE, the ________ the stability factor, and the ________ stable is the system.

(a) smaller, lower, less
(b) larger, more, more
(c) smaller, more, more
(d) larger, lower, more

Answer
Answer : (d)
Explanation
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49. In a transistor-switching network, the level of the resistance between the collector and emitter is ________ at the saturation and is ________at the cutoff.

(a) low, low
(b) low, high
(c) high, high
(d) high, low

Answer
Answer : (b)
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50. In a transistor-switching network, the operating point switches from ________ to ________ regions along the load line.

(a) cutoff, active
(b) cutoff, saturation
(c) active, saturation
(d) None of the above

Answer
Answer : (b)
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