Class 12 Physics Chapter Electric Charges and Fields Free test quiz

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Electric Charges and Fields Free test quiz

12th Physics: Electric Charges and Fields

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1. In figure two positive charges q₂ and q₃ fixed along the y-axis, exert a net electric force in the + x-direction on a charge q₁ fixed along the x-axis. If a positive charge Q is added at (x, 0), the force on q₁

shall increase along the positive x-axis

shall decrease along the positive x-axis

shall point along the negative x-axis

shall increase but the direction changes because of the intersection of Q with q₂ and q₃

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2. Electric flux over a surface in an electric field may be

positive

negative

zero

All of the above

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3. An electric dipole has a pair of equal and opposite point charges q and –q separated by a distance 2x. The axis of the dipole is

from positive charge to negative charge

from negative charge to positive charge

Perpendicular to the line joining the two charges rawn at the centre and pointing upward direction

Perpendicular to the line joining the two charges drawn at the centre and pointing downward direction

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4. A body is positively charged, it implies that

there is only positive charge in the body.

there is positive as well as negative charge in the body but the positive charge is more than negative charge

there is equal positive and negative charge in the body but the positive charge lies in the outer regions

negative charge is displaced from its position

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5. If a linear isotropic dielectric is placed in an electric field of strength E, then the polarization P is

independent of E

inversely proportional to E

directly proportional to E

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6. An electron falls from rest through a vertical distance h in a uniform and vertically upward directed electric field E. The direction of electric field is now reversed, keeping its magnitude the same. A proton is allowed to fall from rest in it through the same vertical distance h. The time of fall of the electron, in comparison to the time of fall of the proton is

smaller

5 times greater

equal

10 times greater

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7. The surface charge density of a thin charged disc of radius R is σ.

With respect to the field at the center, the electric field along the axis at a distance R from the centre of the disc.

reduces by 70.7%

reduces by 29.3%

reduces by 9.7%

reduces by 14.6%

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8. In annihilation process, in which an electron and a positron transform into two gamma rays, which property of electric charge is displayed?

Additivity of charge

Quantisation of charge

Conservation of charge

Attraction and repulsion

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9. A charged particle is free to move in an electric field. It will travel

always along a line of force

along a line of force, if its initial velocity is zero

along a line of force, if it has some initial velocity in the direction of an acute angle with the line of force

none of the above

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10. Electric lines of force about a negative point charge are

circular anticlockwise

circular clockwise

radial, inwards

radial, outwards

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Pos.	Name	Score	Points
1	sparshika	90 %	9
2	Vidhya	80 %	16
3	Dev	80 %	16
4	Astha Agrawal	65 %	13
5	Ruhani	60 %	6
6	Shahzaib	60 %	6
7	disha	60 %	6
8	r . jairam palaniapan	55 %	11
9	S	50 %	5
10	Rishita Rani	45 %	9
11	harrmin	45 %	9
12	Navdeep y	45 %	9
13	Gaurav Yadav	40 %	4
14	Kashaf Fatima	35 %	7
15	Sunny	35 %	7
16	Ayush Ranjan	35 %	7
17	Rjd yadav	30 %	3
18	Dheeraj	30 %	3
19	Vedant	30 %	3
20	Yash	20 %	2
21	Hemabati Mendili	20 %	4
22	jayadharshini	10 %	1

Chapter wise quiz of XII class physics

Class 12 Physics Chapter 1 test pdf study

This comprehensive test quiz is designed to help you grasp the fundamental concepts of electric charges and fields in a fun and interactive manner. The quiz includes a wide range of questions. You can access the test paper as a downloadable PDF, allowing you to take the quiz at your convenience and pace.

The questions in the quiz cover various topics from Chapter 1, as well as related concepts from Chapters 2 and 3, enabling you to reinforce your understanding of the subject. By attempting this mock test, you will gain insights into your strengths and identify areas that require more attention. It is a perfect opportunity to assess your knowledge and get well-acquainted with the exam pattern.

Don’t miss out on this excellent opportunity to boost your preparation for the Class 12 Physics exam. Download the PDF test paper and embark on your journey to success in Physics. With dedication and practice, you can excel in your exams and pave the way for a bright future in the field of science and beyond. Best of luck with your studies and the upcoming exam!

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FAQ

Q1: Is the test quiz time-bound chap 1 of Physics, or can I attempt it at my own pace?

Ans: The test quiz is typically time-bound, and you should complete within time period. Although you can attempt unlimited time free quiz of chap 1 and other’s chapter without any worry.

Q2: Can I retake the test quiz multiple times to track my progress?

Ans: Yes. You can take as many as times of Chap 1. Taking the quiz more than once can be beneficial as it allows you to monitor your progress, identify areas of improvement, and reinforce your understanding of the subject matter.

Q3: Will the test quiz help me score better in my Class 12 Physics exam?

Ans: Yes, the test quiz is an excellent supplementary tool to improve your performance in the Class 12 Physics exam. By attempting the quiz and reviewing your answers, you can identify weak areas and focus on improving them. Consistent practice and revising concepts through such quizzes can boost your confidence and enhance your overall performance in the exam. However, it’s essential to complement the quiz with regular studies and consultation with teachers or mentors for comprehensive preparation.

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Mohit Sinha

I’m Mohit Sinha! With a Master’s degree in Physics, I bring a deep understanding of the subject to my teaching. I specialize in guiding students through the complexities of Physics for 11th and 12th grades and also offer English instruction from 1st to 12th grade. When I'm not in the classroom, I'm passionate about creating engaging educational content for QuizRanker.org, where I help make learning both fun and effective.