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Electrostatics Multiple Choice Questions set 2

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1. The fundamental law of electric force between two stationary charged particles is established by




2. A fire or an explosion may occur due to excessive build-up of electric charges produced by




3. By using electroscope if the body is negatively charged then due to electrostatic induction then on the leaves there will be appear




4. If one unit of charge given to the plates of a capacitor produces a potential difference of 1 volt between the plates of the capacitor then its capacitance would be




5. When a charge is released in an electric field it moves from a point of potential




6. To store the charge a device is used called




7. The SI unit of charge is




8. The field lines always emerge from




9. The direction of free test charge will be the direction of




10. If we bring charged plastic rod near-neutral aluminum rod then rods will




11. The electric charge between two bodies can be produced by




12. The energy supplied by a unit charge as it moves from one point to the other in the direction of the field is called




13. If mica and woolen cloth are rubbed together then mica gets




14. The charge stored on plates of capacitors is directly proportional to the




15. Due to electrostatic induction in aluminum rod due to charged plastic rod the total charge on the aluminum rod is




16. A person standing inside Faraday cage is not affected by the electric field because




17. Unlike charges always




18. In the combination of capacitors in series the right plate of one capacitor is connected to the next capacitor s




19. In the combination of parallel capacitors the right plate of each capacitor is connected to the battery s




20. Capacitors which uses chemical reactions to store charge are




21. he spacing between field lines shows their




22. The divergence of leaves depends upon the




23. The electric field 30cm away from a light bulb is roughly




24. Like charges always




25. The study of charges at rest is called




26. By using electroscope if the body is negatively charged then due to electrostatic induction then on the disk there will be appear




27. The electron in a hydrogen atom experiences an electric field from the atom s nucleus in the order of




28. The lines of the electric field were introduced by




29. A charge in the electric field always




30. The study of charges at rest is called




31. By using electroscope if the body is negatively charged then due to electrostatic induction then on the disk there will be appear




32. The electron in a hydrogen atom experiences an electric field from the atom s nucleus in the order of




33. The lines of the electric field were introduced by




34. A charge in the electric field always




35. If 1 joule of work is done against the electric field in bringing 1C positive charge from infinity to a point in the electric field then the potential at that point will be




36. In coulomb s law the force of attraction or repulsion between two charges is




37. The ability of a capacitor to store charge is affected by




38. In the presence of a charged body an insulated conductor develops a positive charge at one end and a negative charge at another end. This process is called capacity




39. Paper capacitor and mica capacitor are the examples of




40. 3 capacitors with capacitances 5�F 6�F and 7�F are arranged in parallel combination with a battery of 5V as 1�F = 10-6F the total capacitance should be




41. One micro coulomb is equal to




42. To store a large amount of charge at relatively low voltage we use




43. On a dry day if we walk in a carpeted room and then touch some conductor we




44. The ability of a capacitor to store charge is




45. The region around a charge q in which it exerts a force on a test charge is called




46. SI unit of capacitance is




47. The strength of an electric field at any point in space is known as




48. The SI unit of electric potential is




49. The thunderclouds are charged by friction between




50. The capacitance of a capacitor is 100? F and the potential difference between plates is 50 volts then charge stored on each plate is




51. A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge the voltage required would be




52. To distinguish between insulators and conductors we can use




53. A region around a charge in which it exerts an electrostatic force on another




54. If a charge is moved from lower power potential to higher potential then energy should be




55. As per coulomb s law when the distance of separation increases the attraction of 2 positively charged objects




56. The major cause of fires and explosions in many places is




57. By rubbing a neutral body with another neutral body we can produce




58. In the combination of parallel capacitors the left plate of each capacitor is connected to the battery s




59. A glass rod rubbed with silk thread is dual charged




60. If q1 and q2 are the magnitudes of two charges r is the distance between the two charges k is the constant of proportionality then coulomb s force F between the two charges is equal to




61. The basic property of material body due to which it attracts or repels another object is called