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MDCAT Physics Chapter 14 Electronics MCQ's Test
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 14 Electronics MCQ's Test
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Question # 1
The efficiency of full wave rectifier is:
Question # 2
Inverting amplifier circuits have
Question # 3
For a normal AC cycle, during T/2 to T the diode act as:
Question # 4
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 5
In full wave rectification by bridge the number of diodes required are
Question # 6
A diode as a rectifier converts:
Question # 7
The unit of gain (G) for non-inverting amplifier is
Question # 8
In a half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be:
Question # 9
When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:
Question # 10
A device which convert DC into AC is calleD)
Question # 11
The resistance of operational amplifier between inverting and non-inverting terminal is of the order of:
Question # 12
A PN junction diode cannot be use:
Question # 13
A pure semiconductor has:
Question # 14
In a full wave rectifier, the diode conducts during
Question # 15
In full wave rectification, the output D.C. voltage across the load is obtainedfor
Question # 16
The diodes works on
Question # 17
In a full wave rectifier:
Question # 18
The magnitude of potential barrier for Ge is
Question # 19
A diode characteristics curve is a graph plotted between;
Question # 20
In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is
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