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	The ratio Beta in transistor is called.	A. Voltage gain B. Emitter gain C. Current gain D. Nuclear gain
2	The chargeless region after formation of Pn junction is called:	A. Free region B. Depletion region C. Field region D. U.V region
3	The output voltage of a rectifier is.	A. Smooth B. Pulsating C. Alternating D. Per featly direct
4	The device which is used as amplifier and works with the negative feedback is.	A. Operational amplifier B. P-n-p transistor C. n-p-n transistor D. Transistor
5	Most of the electrons in the base of an NPN transistor flow:	A. Out of the base lead B. Into the collector C. Into the emit D. Into the base supply
6	The open loop gain of the amplifier is order of.	A. 10<sup>6</sup> B. 10<sup>5</sup> C. 10<sup>7</sup> D. 10<sup>3</sup>
7	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
8	A transistor has:	A. Two regions B. Three regions C. Single regions D. Four regions
9	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
10	A PN junction can not be sued a.	A. Rectifier B. Amplifier C. Detector D. LED

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