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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.

Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

This online test contains MCQs about following topics:.

- 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

FSC Part 2 Physics Ch 18 Test
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Second Year Physics Chapter 18 Online MCQ Test for 2nd Year Physics Chapter 18 Electronics Preparation

Sr. # Questions Answers Choice
1 The term invertor is used for.
  • A. NOR gate
  • B. XNOR gate
  • C. NAND gate
  • D. NOT gate
2 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
3 Which diode works at reverse biasing.
  • A. LED
  • B. Photo voltaic cell
  • C. Photo diode
  • D. Silicon diode
4 OR gate is represented by:
  • A. X = A+B
  • B. X=A.B
  • C. X=A+B
  • D. X=A.B
5 Greater concentration of impurity is added in.
  • A. Base
  • B. Emitter
  • C. Collector
  • D. LED
6 For normal use:
  • A. Emitter base function is reversed biased
  • B. Collector base junction is reserved biased
  • C. Emitter base junction is forward biased
  • D. Both c and b
7 A PN junction can not be sued a.
  • A. Rectifier
  • B. Amplifier
  • C. Detector
  • D. LED
8 In a transistor, collector current is controlled by:
  • A. Collector voltage
  • B. Base current
  • C. Collector resistance
  • D. All of the above
9 The P.D develop in case of germanium is:
  • A. 0.3
  • B. 0.7
  • C. 0.5
  • D. 0.9
10 The output voltage of a rectifier is.
  • A. Smooth
  • B. Pulsating
  • C. Alternating
  • D. Per featly direct

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