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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 The ratio Beta in transistor is called.
  • A. Voltage gain
  • B. Emitter gain
  • C. Current gain
  • D. Nuclear gain
2 The semi conductor diode has the property of
  • A. Two way conduction
  • B. Zero conduction
  • C. One way conduction
  • D. Amplification
3 In case of reverse biasing, current is flown due to:
  • A. Minority charge carriers
  • B. Majority charge carriers
  • C. Electrons
  • D. Protons
4 The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:
  • A. Neutral
  • B. Forward biased
  • C. Reversed biased
  • D. None of above
5 A transistor has parts:
  • A. 2
  • B. 3
  • C. 4
  • D. 5
6 For automatic Switching of streetlight, the op amplifier is used as.
  • A. Inductor
  • B. Converter
  • C. Comparator
  • D. Thermistor
7 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
8 the number of terminals in a semiconductor diode are
  • A. 2
  • B. 3
  • C. 4
  • D. 5
9 In full wave rectification number of diodes required are equal to.
  • A. 2
  • B. 3
  • C. 4
  • D. 5
10 Doping is made comparatively larger in
  • A. Emitter
  • B. Base
  • C. Collector
  • D. P -type semi conductor

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