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AE-JE Foundation EE : Basic Electronics Quiz 2

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Question 1

Which of the following is self-bias?

Question 2

Increasing the collector supply voltage will increase

Question 3

When a transistor is used in switching mode then what is the turn-on time?

Question 4

If the amplification of a single stage is not sufficient or the input or output impedance is not of the correct magnitude for the intended application how many two stages be connected to achieve desired result?

Question 5

Consider the following statements:
When Darlington circuit and normal single stage emitter followers are compared
1) Both have near unity voltage gain
2) Both have equal current gain
3) Darlington circuit has higher output resistance.
4) Emitter follower has lower input resistance.
Which of these statements is/are correct?

Question 6

Compared to the bipolar junction transistor, a JFET
1) Has a larger gain bandwidth produce
2) is less noisy
3) has less input resistance
4) Has current flow due to only majority carriers