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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 NAND gate represented by:
  • A. X = A. B
  • B. X = A+B
  • C. X= A.B
  • D. X=|A+B|
3 A photo diode can turn its current ON and OFF in
  • A. Micro seconds
  • B. Mega seconds
  • C. Nano seconds
  • D. Mili seconds
4 The ratio of potential barriers of Ge to Si at room temperatrue is.
  • A. 7:3
  • B. 1:3
  • C. 2:5
  • D. 3:7
5 A PN junction can not be sued a.
  • A. Rectifier
  • B. Amplifier
  • C. Detector
  • D. LED
6 The sensor of light is.
  • A. Transistor
  • B. LED
  • C. Diode
  • D. Light dependent resistance
7 The central region of a transistor is called.
  • A. Emitter
  • B. Collector
  • C. Base
  • D. Neutral
8 During negative half cycle of A.c then p-n junction offers.
  • A. High resistance
  • B. Low resistance
  • C. No resistance
  • D. All of these
9 The term invertor is used for.
  • A. NOR gate
  • B. XNOR gate
  • C. NAND gate
  • D. NOT gate
10 OR gate is represented by:
  • A. X = A+B
  • B. X=A.B
  • C. X=A+B
  • D. X=A.B

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