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 In a certain circuit, IB = 40 µA, IC = 20 mA 450 amp 0.45 amp 5 m amp 500 amp
2 The circuit of full wave rectification consist of Three diodes Four diodes Two diodes One diode
3 The potential difference across depletion region in case of Si is 0.6 volt 0.9 volt 0.7 volt 0.2 volt
4 The semi conductor diode has the property of Two way conduction Zero conduction One way conduction Amplification
5 The impurity in the germinium is usually in the ratio of 1:10<sup>6</sup> 1:10<sup>4</sup> 1:10<sup>8</sup> 1:10<sup>10</sup>
6 The average gap for Germanium at 0K is 1.12 ev 0.02 ev 6.72 ev 7.2 ev
7 Which of the following has bulk modulus? Water Gas Honey All
8 Coercive force is used to Demagnetize the material Magnetize the material Extend it None of these
9 At 0 K a piece of silicon is a Conductor Semi-conductor Insulator All
10 A pentaralent impurity in Si a free electron and a free hole a free hole a free electron No free particle
11 The domain theory of magnet is important to explain the behaviour of Diamagnets Paramagnets Ferromagnets All of these
12 The curie temp for iron is about 800<sup>o</sup>C 740<sup>o</sup>C 750<sup>o</sup>C 650<sup>o</sup>C
13 Curie temperature is Differen for chromium oxide and cobalt Same for chromium oxide and cobalt Same for iron and cobalt None of these
14 Recentaly a complex crystalline structure known as yttrium barium copper oxide (Yba2 Cu3 O3) have reported to become super conductor at 163 K 169 K 200 K 100 K
15 The material whose resistivity becomes zero below a certain temperature Conductors Semi conductors Super conductors Insulators
16 The conductors having the conductivity of the order of
17 The dimension of stress is [MLT<sup>-1</sup>] [ML<sup>-1</sup>T] [ML<sup>-1</sup>T<sup>-1</sup>] [ML<sup>-1</sup>T<sup>-2</sup>]
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