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MCQ's Test For MDCAT Physics Chapter 14 Electronics MCQ's Test
Try The MCQ's Test For 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
00:00
Question # 1
The diodes works on
Question # 2
For full wave rectification, the minimum number of diodes used is:
Question # 3
A non-conducting semiconductor diode is:
Question # 4
A pulsating DC can be converted into constant voltage by using
Question # 5
A diode characteristics curve is a graph plotted between;
Question # 6
In full wave rectification by bridge the number of diodes required are
Question # 7
A circuit that converts Pulsating DC into smooth DC contain :
Question # 8
Inverting amplifier circuits have
Question # 9
A device which convert DC into AC is calleD)
Question # 10
The efficiency of half wave rectifier is:
Question # 11
In a full wave rectifier, the diode conducts during
Question # 12
In full wave rectification, the output DC voltage across the load is obtained for.
Question # 13
The junction potential for Germanium is;
Question # 14
In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is
Question # 15
In a full wave rectifier:
Question # 16
The simplest type of rectification known as half wave rectification is obtained by
Question # 17
A pure semiconductor has:
Question # 18
Gain of operational amplifier is independent of;
Question # 19
When two semiconductors of p- and n-type are brought into contact, they from a p-n junction which act like a:
Question # 20
In full wave rectification, the output D.C. voltage across the load is obtainedfor
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J Joun Muhammad 05 - Jun - 2023 08 Min 22 Sec 13/20
MCAT Class Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In full wave rectification, the output DC voltage across the load is obtained for. |
A. The positive half cycle of input AC only
B. The negative half cycle of input AC
C. The completes cycle of input AC only
D. All of the above
|
| 2 | For the same value of resistors the output of non-inverting amplifier compared to the output of inverting amplifier is, (ignoring phase difference) |
A. Greater
B. Equal
C. Smaller
D. Undefined
|
| 3 | A pure semiconductor has: |
A. An infinite resistance at 0oC)
B. A finite resistance which does not depend upon temperature
C. A finite resistance which decreases with temperature
D. A finite resistance which increase with temperature
|
| 4 | The unit of gain (G) for non-inverting amplifier is |
A. Ampere
B. ohm
C. Volt
D. None of these
|
| 5 | For a normal AC cycle, during T/2 to T the diode act as: |
A. Open switch
B. full wave rectifier
C. Close switch
D. All are correct
|
| 6 | Gain of operational amplifier is independent of; |
A. Internal structure
B. External Structure
C. Batteries
D. Potential changes
|
| 7 | A diode as a rectifier converts: |
A. A)c into D)c
B. D)c into A)c
C. Varying D)c current into constant D)c current
D. High voltage into low voltage and vice-versa
|
| 8 | A PN junction diode cannot be use: |
A. As rectifier
B. For converting light energy to electrical energy
C. For getting light radiation
D. For increasing the amplitude of an ac signal
|
| 9 | In a full wave rectifier: |
A. DC current is twice that of half wave rectifier
B. DC pulses are twice per cycle that of half wave rectifier
C. DC voltage is twice that of half wave rectifier
D. All are correct
|
| 10 | A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be: |
A. Zero
B. Infinite
C. One
D. 100
|
Test Questions
