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
ic

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

Sr. # Questions Answers Choice
1 An expression for gain of an inverting amplifier is
  • A.
  • B.
  • C. (R<sub>1</sub>R<sub>2</sub>)
  • D. None of these
2 For rectification we use.
  • A. Transformer
  • B. Diode
  • C. Choke
  • D. Generator
3 Which component of the transistor has greater contrition of impurity.
  • A. Base
  • B. Emitter
  • C. Collector
  • D. Emitter and collector
4 Transistors are made from
  • A. Plastics
  • B. Metals
  • C. Insulator
  • D. Doped semi conductors
5 Conversation of only one half of A.C. into D.C. is called.
  • A. Half wave amplification
  • B. Wave amplification
  • C. Half wave electrification
  • D. Half wave rectification
6 Minimum number of semi conductor diodes required for full wave rectification are.
  • A. 1
  • B. 2
  • C. 3
  • D. 4
7 The P.D develop in case of germanium is:
  • A. 0.3
  • B. 0.7
  • C. 0.5
  • D. 0.9
8 The term invertor is used for.
  • A. NOR gate
  • B. XNOR gate
  • C. NAND gate
  • D. NOT gate
9 Which one has greater cone of impurity among all:
  • A. Emitter
  • B. Base
  • C. Collector
  • D. All are pure
10 The potential difference across depletion region in case of Si is
  • A. 0.6 volt
  • B. 0.9 volt
  • C. 0.7 volt
  • D. 0.2 volt

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Ch Ramzan Dhillon

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