12th class Physics chapter 18 online mcq test with answers for ICS part 2 Physics Chapter 18 (Electronics)

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

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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	Which one has greater cone of impurity among all:	A. Emitter B. Base C. Collector D. All are pure
2	In case of reverse biasing, current is flown due to:	A. Minority charge carriers B. Majority charge carriers C. Electrons D. Protons
3	The output from a full wave rectifier is	A. An ac voltage B. A dc voltage C. Zero D. A pulsating unidirectional voltage
4	The P.D develop in case of silicon is:	A. 0.7V B. 0.3V C. 0.5V D. 0.9V
5	Which device is used as a rectifier?	A. Capacitor B. Transistor C. Diode D. Transformer
6	The gain of transistor amplifier depends upon	A. Resistance connected with collector B. Resistance connected with base voltage C. Input voltage D. Output voltage
7	The colour of light emitted by a LED depends on.	A. It forward biased B. Its reverse biased C. Unbiased D. None of these
8	The central region of a transistor is called.	A. Emitter B. Collector C. Base D. Neutral
9	The reverse saturation current in a PN junction diode is only due to:	A. Majority carriers B. Minoritycarriers C. Acceptor ions D. Donor ions
10	A diode characteristics curve is a plot between	A. Current and resistance B. Voltage and time C. Voltage and current D. Current and time

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