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

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Physics ICS Part 2 Chapter 12 Online MCQ's Test

Sr. # Questions Answers Choice
1 Electric flux is a: Scalar quantity  Vector quantity Variable quantity None of these
2 The "toner" of photocopier is given: Positive charge Negative charge Remains neutral All of above 
3 The process of copying is: Axillugraphy  Chromatography Xerography Spectrography
4 The middle region of electric field is: Maximum field spot Zero field spot Perpendicular field spot All of above
5 The electric field created by positive charge is: Radially outward Circular Radially inward Zero
6 Concept of electric field lines was given by: Michelson Henry Michael faraday Oersted
7 Force per unit charge is called: Gravitational force Electric field intensity Coulomb's force None of these
8 Dielectric constant εr for air is: 1 1.006 1.0002 1.0006
9 Presence of dielectric always. Increase the electrostatic force Reduces the electrostatic force Do not effect electrostatic force Doubles the electrostatic force
10 The number of lines per unit area passing perpendicular through an area is called Flux Electric intensity Both (a) , (b) None of these
11 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
12 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
13 An electric field cannot deflect X-rays a-particles ß-particles None of these
14 If a charge body moved against the electric field it will again Potential energy K.E Mechanical Energy Electric potential energy
15 Which one of the following is correct <br> All of above
16 The relative permitivity of air is 79.5 1.006 1.06 1.0006
17 The electric intensity due to two oppositely charged plates is None of these
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