Physics FSC Part 2 Chapter 12 Online MCQ's Test With Answers

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Physics FSC Part 2 Chapter 12 Online MCQ's Test

Sr. # Questions Answers Choice
1 The electric field created by positive charge is Radially inward Zero Circular Radially outward
2 One joule is equal to. 1.6 x 10<sup>19</sup> eV 1.6 x 10<sup>-19</sup> eV 6.25 x 10<sup>-18</sup> eV 6.25 x 10 <sup>18</sup> eV
3 Electric field intensity at a point is defined by the relation. E= q/F E = F/q E = qF E = F/q2
4 Concept of the electric field lines is introduced by Coulomb Faraday Einstein Joseph henry
5 The fact that electric field exist in space around an electrical charge is Electrical property Gravitational property Intrinsic property of nature Extrinsic property of nature
6 NC-1 is the SI unit is Force Charge Current Electric intensity
7 S.I unit of strength of electric field is J/C C/V V/C N/C
8 If the distance between two charges is halved and charges are also doubled, then force between them will be. Two time Four time Eight time Sixteen time
9 If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then. F1=F2 F1&gt;F2 F1&lt;F2 F1 = 4F2
10 Two oppositely charged balls A and B attract the third ball C, when placed near them turn by turn The third ball C must be. Positively charged Negatively charged Electrically neutral Positively and negatively charged
11 the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to. 25 N 20 N 10 N 15 N
12 If both the magnitude of charges and distance between them is doubled, then coulomb's force will be. Doubled Hlaf Remain same One fourth
13 If the distance between the two charged bodies is halved, the force between them becomes. Double Half Four times One times
14 The electrostatic force between two charges is 42 N, If we place a dielectric of Ey=2.1 between the charges then the force become equal to. 42 N 88.2 N 20 N 2 N
15 The SI unit of relative permittivity is. Fm-1 C2N-1m-2 Nm2C-2 No unit
16 The electrons in one coulomb change is equal to. 1.6 x 10<sup>-19</sup> 2.25 x 10<sup>-19</sup> 6.25 x 10<sup>-18</sup> 6.25 x 10<sup>-19</sup>
17 For which material medium, force between two charged particles is maximum. Ammonia Germanium Mica Teflon
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