If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get Electric Charges and Fields CBSE Class 12 Physics MCQ Questions with Answer Keys Solutions.
MCQ Questions for Class 12 Physics Chapter 1 Question No 11:
Two positive charges q1=4 × 10-6 C and q2= 9 × 10-6 C are placed 10cm apart in air. The position of a third charge to be placed between them, such that there will be no resultant force on it is
Option A : 6 cm from q1
Option B : 3 cm from q1
Option C : 4 cm from q1
Option D : 7 cm from q1
Show/Hide Answer
Option C : 4 cm from q1
MCQ Questions for Class 12 Physics Chapter 1 Question No 12:
A liquid drop of surface charge density 𝜎 is split into two drops of same size. Then the surface charge density of each drop is
Option A : 𝜎/2
Option B : 2𝜎
Option C : 21/3𝜎
Option D : 𝜎/21/3
Show/Hide Answer
Option D: 𝜎/21/3
MCQ Questions for Class 12 Physics Chapter 1 Question No 13:
A thin walled copper pipe 3.0 m long and 2 cm in diameter carries a net charge of 5.8 μC distributed uniformly. The intensity of electric field 8.0 cm from the pipe axis
Option A : 4.3 x 103 N/C
Option B : 4.3 x 104 N/C
Option C : 4.3 x 105 N/C
Option D : 4.3 x 106 N/C
Show/Hide Answer
Option C : 4.3 x 105 N/C
MCQ Questions for Class 12 Physics Chapter 1 Question No 14:
Force between the two stationary charges separated by
a) obeys Newton’s third law
b) is a central force
c) is non-conservative force
d) is a scalar
Option A : a is correct
Option B : a and b are correct
Option C : a and c are correct
Option D : c and d are correct
Show/Hide Answer
Option B : a and b are correct
MCQ Questions for Class 12 Physics Chapter 1 Question No 15:
Match the List 1 and List 2
| List 1 | List 2 |
|---|---|
| a) Coulomb Force | e) Only attractive |
| b) Gravitational Force | f) May be repulsive |
| c) Charge | g) Invariant |
| d) Mass | h) May be Variant |
Option A : a-f, b-e, c-g, d-h
Option B :a-c, b-g, c-h, d-f
Option C :a-g, b-h, c-f, d-e
Option D :a-h, b-f, c-e, d-g
Show/Hide Answer
Option A : a-f, b-e, c-g, d-h
MCQ Questions for Class 12 Physics Chapter 1 Question No 16:
An infinite no. of electric charges each equal to 5 nano coulombs are placed along X-axis at x=1cm, x=2cm, x=4cm, x=8cm,…and so on. In this setup, if the consecutive charges have opposite sign, then the electric field in newton/coulomb at x=0 is
Option A : 12 x 104
Option B : 24 x 104
Option C : 36 x 104
Option D : 48 x 104
Show/Hide Answer
Option C : 36 x 104
MCQ Questions for Class 12 Physics Chapter 1 Question No 17:
Statement 1: Force between two stationary point charges is not altered by the process of third point charge near them.
Statement 2: Force depends on the magnitude of the first two charges and distance between them
Option A : Statement 1 is true, statement 2 true, statement 2 is the correct explanation for statement 1
Option B : Statement 1 is true, statement 2 true, statement 2 is not the correct explanation for statement 1
Option C : Statement 1 is true, statement 2 is false
Option D : Statement 1 is false, statement 2 is true
Show/Hide Answer
Option B: Statement 1 is true, statement 2 true, statement 2 is not the correct explanation for statement 1
MCQ Questions for Class 12 Physics Chapter 1 Question No 18:
Statement 1.A Charge can not exert force on itself.
Statement 2.The minimum electric force between two charged particles 1m apart in free space is 2.3 x 10-28N
Option A : Statement 1 is true. statement 2 true, statement 2 is the correct explanation for statement 1
Option B : Statement 1 is true, statement 2 is true, statement 2 is not the correct explanation for statement 1
Option C :Statement 1 is true , Statement 2 is false
Option D : Statement 1 is false, Statement 2 is true
Show/Hide Answer
Option B: Statement 1 is true, statement 2 is true, Statement 2 is not the correct explanation for statement 1
MCQ Questions for Class 12 Physics Chapter 1 Question No 19:
As one penetrates into a uniformly charged conducting sphere, the electric field strength ‘E’
Option A :Increases
Option B :Decreases
Option C :Remains the same as the surface
Option D :Is zero at all points
Show/Hide Answer
Option D:Is zero at all points
MCQ Questions for Class 12 Physics Chapter 1 Question No 20:
A proton of mass ‘m’ charge ‘e’ is released from rest in a uniform electric field of strength ‘E’. The time taken by it to travel a distance ‘d’ in the field is
Option A : 2de/mE
Option B : 2dm/Ee
Option C : 2dE/me
Option D : 2Ee/dm
Show/Hide Answer
Option B: 2dm/Ee
| CBSE Class 12 Physics Chapterwise MCQ |
|---|
| 1 : Electric Charge & Fields MCQs | 1 to 10 | 11 to 20 |
| 2 : Electrostatics Potential and Capacitance MCQs | 1 to 10 | 11 to 20 |
| 3 : Current Electricity MCQs | 1 to 10 | 11 to 20 |
| 4 : Moving charges and Magnetism MCQs | 1 to 10 | 11 to 20 |
| 5 : Magnetism and Matter MCQs | 1 to 10 | 11 to 20 |
| 6 : Electromagnetic Induction MCQs | 1 to 10 | 11 to 20 |
| 7 : Alternating Current MCQs | 1 to 10 | 11 to 20 |
| 8 : Electromagnetic Waves MCQs | 1 to 10 | 11 to 20 |
| 9 : Ray Optics and Optical Instruments MCQs | 1 to 10 | 11 to 20 |
| 10 : Wave Optics MCQs | 1 to 10 | 11 to 20 |
| 11 : Dual Nature of Radiation MCQs | 1 to 10 | 11 to 20 |
| 12 : Atoms MCQs | 1 to 10 | 11 to 20 |
| 13 : Nuclei MCQs | 1 to 10 | 11 to 20 |
| 14 : Semi Conductor Electronics MCQs | 1 to 10 | 11 to 20 |
| 15 : Communication Systems MCQs | 1 to 10 | 11 to 20 |
