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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
ic

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

Sr. # Questions Answers Choice
1 A diode characteristic curve is a plot between
  • A. Current and time
  • B. Voltage and time
  • C. Voltage and current
  • D. Forward voltage and reverse voltage
2 Which component of the transistor has greater contrition of impurity.
  • A. Base
  • B. Emitter
  • C. Collector
  • D. Emitter and collector
3 One use of a single p-n junction semiconductor in an electrical circuit is a
  • A. Rectifier
  • B. Transistor
  • C. Battery
  • D. Diode
4 X=A+B is the mathematical notation for.
  • A. OR gate
  • B. NOR gate
  • C. NAND gate
  • D. AND gate
5 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
6 An expression for gain of an inverting amplifier is
  • A.
  • B.
  • C. (R<sub>1</sub>R<sub>2</sub>)
  • D. None of these
7 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
8 Photo diode is used for detection of.
  • A. Heat
  • B. Magnet
  • C. Current
  • D. Light
9 The average gap for Germanium at 0K is
  • A. 1.12 ev
  • B. 0.02 ev
  • C. 6.72 ev
  • D. 7.2 ev
10 The potential difference across the depletion region of germanium is.
  • A. 0.3 V
  • B. 0.5 V
  • C. 0.7 V
  • D. 0.8 V

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