Physics FSC Part 2 Online MCQ's Test With Answers

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Physics FSC Part 2 Online MCQ's Test

Sr. # Questions Answers Choice
1 When platinum is heated is become dull red at: 900°C 500°C 800°C 1100°C
2 Which device is used as a rectifier? Capacitor Transistor Diode Transformer
3 A transistor has parts: 2 3 4 5
4 Conversion of A.C into D.C is called: Compton effect Rectification Amplification  Pair production
5 OR gate is represented by: X = A+B X=A.B X=A+B X=A.B
6 NAND gate represented by: X = A. B X = A+B X= A.B X=|A+B|
7 For normal use: Emitter base function is reversed biased Collector base junction is reserved biased Emitter base junction is forward biased Both c and b
8 Which one has greater cone of impurity among all: Emitter Base Collector All are pure
9 Base of transistor is of order: 10<sup>-11</sup>m 10<sup>6</sup>m 10<sup>-8</sup>m 10<sup>-6</sup>m
10 A transistor has: Two regions Three regions Single regions Four regions
11 Transistor was invented by: Bardeen Micheal faraday Lenz Newton
12 Photodiode is used for: Detection of current Detection of heat Detection of light Both a &amp; b
13 In case of reverse biasing, current is flown due to: Minority charge carriers Majority charge carriers Electrons Protons
14 The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be: Neutral Forward biased Reversed biased None of above
15 The P.D develop in case of germanium is: 0.3 0.7 0.5 0.9
16 The P.D develop in case of silicon is: 0.7V 0.3V 0.5V 0.9V
17 The chargeless region after formation of Pn junction is called: Free region Depletion region Field region U.V region
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