- Electronic Devices and Circuits - Section 1
- Electronic Devices and Circuits - Section 2
- Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 4
- Electronic Devices and Circuits - Section 5
- Electronic Devices and Circuits - Section 6
- Electronic Devices and Circuits - Section 7
- Electronic Devices and Circuits - Section 8
- Electronic Devices and Circuits - Section 9
- Electronic Devices and Circuits - Section 10
- Electronic Devices and Circuits - Section 11
- Electronic Devices and Circuits - Section 12
- Electronic Devices and Circuits - Section 13
- Electronic Devices and Circuits - Section 14
- Electronic Devices and Circuits - Section 15
- Electronic Devices and Circuits - Section 16


Electronic Devices and Circuits - Engineering
Q1: The O/P Power of a power amplifier is several times its input power. It is possible becauseA power amplifier introduces a -ve resistance
B there is +ve feed back in the circuit
C step up transformer is use in the circuit
D power amplifier converts a part of I/P d.c. power into a.c. power
ANS:D - power amplifier converts a part of I/P d.c. power into a.c. power No answer description is available. |


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