IndiaBIX

Electronic Devices - Power Amplifiers

Exercise : Power Amplifiers - Filling the Blanks
11.
The main feature(s) of a large-signal amplifier is (are) the ________.
circuit's power efficiency
maximum amount of power that the circuit is capable of handling
impedance matching to the output
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The slope of the ac load line in the class A transformer-coupled transistor is ________.
–1/RL (load resistor)
1/(a2RL)
–1/(a2RL)
1/RL
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The ________ has the hottest temperature in a power transistor.
heat sink
case
junction
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The complementary Darlington-connected transistor for a class B amplifier provides ________ output current and ________ output resistance.
higher, higher
higher, lower
lower, lower
lower, higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The greater the power handled by the power transistor, ________ the case temperature.
the higher
the lower
there is no change in
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers