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Electronic Devices - Power Amplifiers

Exercise : Power Amplifiers - Filling the Blanks
1.
In ________ power amplifiers, the output signal varies for a full 360º of the cycle.
class A
class B or AB
class C
class D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In class B power amplifiers, the output signal varies for ________ of the cycle.
360º
180º
between 180º and 360º
less than 180º
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
________ amplifiers have the highest overall efficiency.
Class A
Class B or AB
Class C
Class D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Power amplifiers primarily provide sufficient power to an output load, typically from ________ to ________.
a few kW, tens of kW
500 W, 1 kW
100 W, 500 W
a few W, tens of W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The reflected impedance seen from one side of the transformer to the other side is ________.
N1/N2
(N1/N2)2
(N1/N2)1/3
N1× N2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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