Test Instructions:
- This Mock test contains 20 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.

- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.

- Each question awards you 1 point.
- You can end the test any time by clicking “quiz summary>finish quiz”.


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- You can re-attempt the exam as per your wish, yet scores of the first attempt will be recorded!
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Question 1 of 25
1. Question
1 point(s)Gap between two electrodes of the spark-plug used in an automobile engine is 1.25 mm. If the potential of 20 V is applied across the gap, what will be the magnitude of electric field between the electrodes?
CorrectIncorrect -
Question 2 of 25
2. Question
1 point(s)An electron is placed between two parallel plates connected to a battery. If the battery is switched on, the electron will
CorrectIncorrect -
Question 3 of 25
3. Question
1 point(s)A charge of + 7 µC is placed at the centre of two concentric spheres with radius 2.0 cm and 4.0 cm respectively. The ratio of the flux through them will be
CorrectIncorrect -
Question 4 of 25
4. Question
1 point(s)Two charges of 1.0 C each are placed one meter apart in free space. The force between them will be
CorrectIncorrect -
Question 5 of 25
5. Question
1 point(s)Two point charges of +5 µC are so placed that they experience a force of 80×10-³ N. They are then moved apart, so that the force is now 2.0×10-³ N. The distance between them is now
CorrectIncorrect -
Question 6 of 25
6. Question
1 point(s)A metallic sphere A isolated from ground is charged to +50 µC. This sphere is brought in contact with other isolated metallic sphere B of half the radius of sphere A. The charge on the two sphere will be now in the ratio
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Question 7 of 25
7. Question
1 point(s)Which of the following produces uniform electric field?
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Question 8 of 25
8. Question
1 point(s)Two point charges of A = +5.0 µC and B = -5.0 µC are separated by 5.0 cm. A point charge C = 1.0 µC is placed
at 3.0 cm away from the centre on the perpendicular bisector of the line joining the two point charges. The charge at C will experience a force directed towardsCorrectIncorrect -
Question 9 of 25
9. Question
1 point(s)Two small spheres 18 cm apart have equal negative charges and repel each other with the force of 6×10-³ N. Find the total charge on both spheres
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Question 10 of 25
10. Question
1 point(s)A charge +q exerts a force of magnitude -0.2 N on another charge -2q. If they are separated by 25.0 cm, determine the value of q
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Question 11 of 25
11. Question
1 point(s)Four charges of + 6×10-8 C each are placed at the corners of a square whose sides a are 3 cm each. Calculate the
resultant force on each chargeCorrectIncorrect -
Question 12 of 25
12. Question
1 point(s)Calculate the electric field due to a charge of -8.0×10^-8 C at a distance of 5.0 cm from it.
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Question 13 of 25
13. Question
1 point(s)Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance of 5 cm and are uniformly charged. If the spheres are connected by a conducting wire then in equilibrium condition, the ratio of the magnitude of the electric fields at the surface of spheres A and B is
CorrectIncorrect -
Question 14 of 25
14. Question
1 point(s)Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the
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Question 15 of 25
15. Question
1 point(s)A particle of mass m and charge q is placed at rest in a uniform electric field E and then released. The kinetic energy attend by the particle after moving a distance y is
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Question 16 of 25
16. Question
1 point(s)A charge of 5.0 C is kept at the centre of a sphere of radius 1 m. What is the flux passing through the sphere?
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Question 17 of 25
17. Question
1 point(s)Charge on an electron is 1.6×10^-19 C. How many electrons are required to accumulate a charge of one coulomb?
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Question 18 of 25
18. Question
1 point(s)An electric dipole is placed at an angle of 30° with an electric field intensity 2 × 105 N/C. It experiences a torque equal to 4 N m. The charge on the dipole, if the dipole length is 2 cm, is
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Question 19 of 25
19. Question
1 point(s)A, B and C are three points in a uniform electric field. The electric potential is
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Question 20 of 25
20. Question
1 point(s)Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle of 30° with each other. When suspended in a liquid of density 0.8 g cm–3, the angle remains the same. If density of the material of the sphere is 1.6 g cm–3, the dielectric constant of the liquid is
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Question 21 of 25
21. Question
1 point(s)A man is at a distance of 6m behind a bus. The bus begins to move with a constant acceleration of 3 m/s2. In order to catch the bus the minimum speed with which the man should run towards the bus is
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Question 22 of 25
22. Question
1 point(s)If the magnitude of sum of two vectors is equal to magnitude of difference of two vectors, the angle between these two vectors is
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Question 23 of 25
23. Question
1 point(s)A man stands at a distance’d’ m behind a bus which moves forward with a constant acceleration ‘a’. He starts running at a constant speed ‘v’ m/s. The minimum speed of the passenger so that he can catch the bus is
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Question 24 of 25
24. Question
1 point(s)CorrectIncorrect -
Question 25 of 25
25. Question
1 point(s)Which of the following remains constant if a body travels with constant acceleration?
CorrectIncorrect