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Questions and Answers
What is the amount of charge carried by a single electron?
What is the amount of charge carried by a single electron?
- -1.6 × 10^19 A
- -1.6 × 10^19 C
- 1.6 × 10^-19 C (correct)
- 1.6 × 10^19 C
What is the principle of charge quantisation?
What is the principle of charge quantisation?
- Any charge in the universe is a multiple of 1 C.
- Any charge in the universe is an integer multiple of the elementary charge. (correct)
- Any charge in the universe is a multiple of 10^-19 C.
- Any charge in the universe is a multiple of the charge on a proton.
What is the unit of charge commonly used in electrostatics?
What is the unit of charge commonly used in electrostatics?
- Coulombs (C)
- Microcoulombs (μC)
- Nanocoulombs (nC)
- All of the above (correct)
What experiment measured the charge of an electron?
What experiment measured the charge of an electron?
What is the effect of a charged object on a neutral insulator?
What is the effect of a charged object on a neutral insulator?
What happens to the electrons in an insulator when a charged object is brought close?
What happens to the electrons in an insulator when a charged object is brought close?
What is the net charge of an insulator after polarisation?
What is the net charge of an insulator after polarisation?
What is the movement of electrons like in an insulator?
What is the movement of electrons like in an insulator?
What happens when a positively charged rod is brought near a small polystyrene ball?
What happens when a positively charged rod is brought near a small polystyrene ball?
Why does a polystyrene ball remain electrically neutral?
Why does a polystyrene ball remain electrically neutral?
What is the characteristic of conductors?
What is the characteristic of conductors?
What happens when two identical conductors touch and share excess charge?
What happens when two identical conductors touch and share excess charge?
What is the electrostatic force?
What is the electrostatic force?
What happens when like charges interact?
What happens when like charges interact?
What is the effect of distance on the electrostatic force?
What is the effect of distance on the electrostatic force?
What happens when a positively charged rod is brought close to a stream of water?
What happens when a positively charged rod is brought close to a stream of water?
What is an example of a naturally polarised substance?
What is an example of a naturally polarised substance?
What is the purpose of rubbing a glass rod with silk?
What is the purpose of rubbing a glass rod with silk?
What is the significance of the elementary charge in the universe?
What is the significance of the elementary charge in the universe?
What is the mathematical expression for the principle of charge quantisation?
What is the mathematical expression for the principle of charge quantisation?
Why do electrons and nuclei in an insulator shift when a charged object is brought close?
Why do electrons and nuclei in an insulator shift when a charged object is brought close?
What is the result of polarisation in an insulator?
What is the result of polarisation in an insulator?
What is the relationship between the charge on a single electron and a proton?
What is the relationship between the charge on a single electron and a proton?
What is the significance of Millikan's oil drop experiment?
What is the significance of Millikan's oil drop experiment?
What happens to the electrons in a conductor when an excess charge is placed on it?
What happens to the electrons in a conductor when an excess charge is placed on it?
What is the significance of the coulomb as a unit of charge?
What is the significance of the coulomb as a unit of charge?
What is the result of bringing two identical conductors with excess charge together?
What is the result of bringing two identical conductors with excess charge together?
What is the effect of polarisation on the movement of electrons in an insulator?
What is the effect of polarisation on the movement of electrons in an insulator?
What is the characteristic of an insulator?
What is the characteristic of an insulator?
What is the force between two opposite charges?
What is the force between two opposite charges?
What is the effect of distance on the electrostatic force?
What is the effect of distance on the electrostatic force?
What happens to a polarised molecule when it is brought close to a charged object?
What happens to a polarised molecule when it is brought close to a charged object?
What is the result of bringing a positively charged rod close to a stream of water?
What is the result of bringing a positively charged rod close to a stream of water?
What happens when a charged object is brought close to an insulator?
What happens when a charged object is brought close to an insulator?
What is the purpose of an experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the purpose of an experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the direction of the electrostatic force between two like charges?
What is the direction of the electrostatic force between two like charges?
What is the significance of the elementary charge in the universe?
What is the significance of the elementary charge in the universe?
What is the result of polarisation in an insulator?
What is the result of polarisation in an insulator?
Why do electrons and nuclei in an insulator shift when a charged object is brought close?
Why do electrons and nuclei in an insulator shift when a charged object is brought close?
What is the relationship between the charge on a single electron and a proton?
What is the relationship between the charge on a single electron and a proton?
What is the advantage of using microcoulombs or nanocoulombs to measure charge?
What is the advantage of using microcoulombs or nanocoulombs to measure charge?
What is the purpose of Millikan's oil drop experiment?
What is the purpose of Millikan's oil drop experiment?
What is the characteristic of an insulator?
What is the characteristic of an insulator?
What is the mathematical expression for the principle of charge quantisation?
What is the mathematical expression for the principle of charge quantisation?
What happens when a positively charged rod is brought near a small, electrically neutral, polystyrene ball?
What happens when a positively charged rod is brought near a small, electrically neutral, polystyrene ball?
What is the characteristic of materials that are naturally polarised?
What is the characteristic of materials that are naturally polarised?
What happens to the charge on a conductor when an excess charge is placed on it?
What happens to the charge on a conductor when an excess charge is placed on it?
What is the direction of the electrostatic force between two opposite charges?
What is the direction of the electrostatic force between two opposite charges?
What happens when two identical conductors touch and share excess charge?
What happens when two identical conductors touch and share excess charge?
What is the result of the experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the result of the experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the effect of polarisation on the movement of electrons in an insulator?
What is the effect of polarisation on the movement of electrons in an insulator?
What happens when a charged object is brought close to a polarised molecule?
What happens when a charged object is brought close to a polarised molecule?
What is the relationship between the strength of the electrostatic force and the distance between the charges?
What is the relationship between the strength of the electrostatic force and the distance between the charges?
What is the characteristic of insulators?
What is the characteristic of insulators?
What is the reason why the charge on a single electron is considered as the elementary charge?
What is the reason why the charge on a single electron is considered as the elementary charge?
What is the significance of polarisation in insulators?
What is the significance of polarisation in insulators?
What is the purpose of using microcoulombs or nanocoulombs to measure charge?
What is the purpose of using microcoulombs or nanocoulombs to measure charge?
What is the relationship between the charge on a single electron and a proton?
What is the relationship between the charge on a single electron and a proton?
What is the significance of Millikan's oil drop experiment?
What is the significance of Millikan's oil drop experiment?
What is the characteristic of materials that are naturally polarised?
What is the characteristic of materials that are naturally polarised?
What is the mathematical expression for the principle of charge quantisation?
What is the mathematical expression for the principle of charge quantisation?
What is the reason why charge is measured in coulombs?
What is the reason why charge is measured in coulombs?
What is the primary reason why a polystyrene ball remains electrically neutral despite being polarised by a charged rod?
What is the primary reason why a polystyrene ball remains electrically neutral despite being polarised by a charged rod?
What is the main difference between the behaviour of electrons in conductors and insulators?
What is the main difference between the behaviour of electrons in conductors and insulators?
What is the relationship between the distance between charges and the strength of the electrostatic force?
What is the relationship between the distance between charges and the strength of the electrostatic force?
What happens when a positively charged rod is brought close to a stream of water?
What happens when a positively charged rod is brought close to a stream of water?
What is the characteristic of materials that are naturally polarised, such as water?
What is the characteristic of materials that are naturally polarised, such as water?
What is the result of bringing two identical conductors with excess charge together?
What is the result of bringing two identical conductors with excess charge together?
What is the purpose of the experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the purpose of the experiment involving rubbing a glass rod with silk and a plastic rod with fur?
What is the effect of polarisation on the movement of electrons in an insulator?
What is the effect of polarisation on the movement of electrons in an insulator?
What is the characteristic of a material that is a good conductor of electricity?
What is the characteristic of a material that is a good conductor of electricity?
What is the result of the electrostatic force between two like charges?
What is the result of the electrostatic force between two like charges?
What is the result of the polarisation of a small, electrically neutral, polystyrene ball when a positively charged rod is brought near it?
What is the result of the polarisation of a small, electrically neutral, polystyrene ball when a positively charged rod is brought near it?
What is the characteristic of materials that are naturally polarised, like water?
What is the characteristic of materials that are naturally polarised, like water?
What happens to the charge on a conductor when an excess charge is placed on it?
What happens to the charge on a conductor when an excess charge is placed on it?
What is the direction of the electrostatic force between two opposite charges?
What is the direction of the electrostatic force between two opposite charges?
What happens to the electrons in a conductor when an excess charge is placed on it?
What happens to the electrons in a conductor when an excess charge is placed on it?
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