Electronic Devices Circuits Class D Amplifiers Online Exam Quiz
Electronic Devices Circuits Class D Amplifiers GK Quiz. Question and Answers related to Electronic Devices Circuits Class D Amplifiers. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Class D Amplifiers
For an ideal class D amplifier, what time is required in transitioning between states?
Options
A : 0
B : 10
C : 100
D : Infinite
Efficiency of class D amplifier____________
Options
A : 100%
B : 59%
C : 75%
D : 60%
Why a class D amplifier is called as switching amplifier?
Options
A : Because it consists of a transistor
B : Because of high power
C : Because of less noise effect
D : Because of binary switch
Why the cost of MOSFET based power amplifier is less?
Options
A : High impedance
B : Low capacitance
C : Low power dissipation
D : Lesser in size
Which of the following is true about MOSFET class D amplifier?
Options
A : It has infinite gain
B : It is less stable
C : It is less advantageous
D : It dissipates less heat
Which of the following is true about class D amplifier?
Options
A : Its efficiency is very less
B : It can be made to work as bulb
C : It is big in size
D : It operates on lesser frequently
Why filters are required in class D amplifier?
Options
A : Output is completely dependent on the lower frequency spectrum
B : To increase the complexity
C : To obtain only lower frequency
D : To nullify noise
Which of the following is an example for the application of class D amplifier?
Options
A : Switch
B : Torch
C : Pulse generator
D : Bulb
MOSFET class D amplifier is more advantageous than BJT class D amplifier.
Options
A : True
B : False
C :
D :
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