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 The resistivity of --------------------decrease with the increase in temp Gold Silver Copper Silicon
2 If there is no fourth band, tolerance is shows as 10%
3 For non-ohmic devices, the graph between V and I is Not a straight line A straight line A curve All of above
4 During electrolysis process, density of CuSO4 solution Remains constant Decreased Increased None of these
5 Magnetic effect of current is used To detect a current To measure a current In electric motor All of above
6 If a charge Q flows through any cross section of the conductor in time t, the current I is I=Qt I= Q/t I= Q*t I= Q-t
7 When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows 0.20 C 2.5 C 5.0 C 10.0 C
8 The conventional current is due to the flow of Atoms and molecules Positive charge Negative charge Bot (b) and (c)
9 The number of lines per unit area passing perpendicular through an area is called Flux Electric intensity Both (a) , (b) None of these
10 Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ? 2<sup>nd</sup> sphere Both have same First sphere None of these
11 A force of 0.01 N is exerted on a charge 1.2 x 10-5 C at a certain point. The electric field at that point is 1.2 x 10<sup>4</sup> N/C 1.2 x 10<sup>4</sup> C/N 8.3 x 10<sup>2</sup> N/C 8.3 x 10<sup>-2</sup> N/C
12 An electric field cannot deflect X-rays a-particles ß-particles None of these
13 If a charge body moved against the electric field it will again Potential energy K.E Mechanical Energy Electric potential energy
14 Which one of the following is correct <br> All of above
15 The relative permitivity of air is 79.5 1.006 1.06 1.0006
16 The electric intensity due to two oppositely charged plates is None of these
17 The electric intensity at infinite distance from the point charge is Infinite Zero Positive Negative
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