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18th Chapter

12th Class Physics Chapter 18 Test

Here you can prepare 12th Class Physics Chapter 18 Electronics Test. Click the button for 100% free full practice test.

2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

This online test contains MCQs about following topics:

- Brief Review of p-n Junction and its Characteristics
- Rectification
- Specially Designed p-n Junction
- Transistors
- Transistor as an Amplifier
- Transistor as a Switch
- Operational Amplifier
- OP-AMP as Inverting Amplifier
- OP-AMP as Non-Inverting Amplifier
- OP-AMP as a Comparator
- Comparator as a Night Switch
- Digital Systems
- Fundamental Logic Gates
- Other Logic Gates
- Applications of Gates in Control Systems

Ics Part 2 Physics Chapter 18 Test
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2nd Year Physics Chapter 18 Online MCQ Test for 12th Class Physics Chapter 18 (Electronics)

Sr. # Questions Answers Choice
1 _______ is the building block of every electronic circuit.
  • A. Semi conductor diode
  • B. Resistor
  • C. Capacitor
  • D. Amplifier
2 A light emitting diode emits light only when
  • A. Reverse biased
  • B. Forward biased
  • C. Unbiased
  • D. None of these
3 Which device is used as a rectifier?
  • A. Capacitor
  • B. Transistor
  • C. Diode
  • D. Transformer
4 The reverse saturation current in a PN junction diode is only due to:
  • A. Majority carriers
  • B. Minoritycarriers
  • C. Acceptor ions
  • D. Donor ions
5 Greater concentration of impurity is added in.
  • A. Base
  • B. Emitter
  • C. Collector
  • D. LED
6 The P.D develop in case of germanium is:
  • A. 0.3
  • B. 0.7
  • C. 0.5
  • D. 0.9
7 Photo diode is used for detection of.
  • A. Heat
  • B. Magnet
  • C. Current
  • D. Light
8 The gate, which changes the logic level to its opposite level is called
  • A. NOR gate
  • B. AND gate
  • C. OR gate
  • D. NOT gate
9 Improper bisting of a transistor circiut produces:
  • A. Heavy loading of emitter current
  • B. Distortion in the output output signal
  • C. Excessive heat at collector terminal
  • D. Faculty location of load line
10 A photo diode can turn its current ON and OFF in
  • A. Micro seconds
  • B. Mega seconds
  • C. Nano seconds
  • D. Mili seconds

Top Scorers of Ics Part 2 Physics Chapter 7 Test Online

M

Maryam Butt

Lahore15 - Nov - 2023

15/17
02 Mins 06 Sec
M

Maryam Butt

Lahore15 - Nov - 2023

14/17
03 Mins 04 Sec
M

Maryam Zafar

Lahore07 - Dec - 2023

13/17
03 Mins 03 Sec
M

Muhammad Mursaleen

Lahore23 - Nov - 2023

12/17
03 Mins 18 Sec
M

Maryam Butt

Lahore15 - Nov - 2023

11/17
02 Mins 47 Sec
J

Junaid Ali

Lahore16 - Oct - 2023

11/17
03 Mins 14 Sec
M

Maryam Butt

Lahore15 - Nov - 2023

10/17
02 Mins 41 Sec
M

Muhammad Mursaleen

Lahore23 - Nov - 2023

10/17
03 Mins 44 Sec

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