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Static Electricity

Test your knowledge of static electricity, including atomic structure, electric charge, charging methods, electroscopes, and the triboelectric effect.

18 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

An atom is usually

  1. electrically neutral
  2. electrically uncharged
  3. both (1) and (2)
  4. either (1) or (2)
Question 2 Multiple Choice (Single Answer)

Which of the following is true?

  1. The direction of conventional current is opposite to the direction of flow of electrons.
  2. The direction of conventional current is same as the direction of flow of electrons.
  3. The direction of conventional current is same as the direction of flow of both electrons and protons.
  4. Either (2) or (3)
Question 3 Multiple Choice (Single Answer)

Which of the following is incorrect when body gains or looses charge?

  1. If a body gains a amount of positive charge the charge on it is + Q.
  2. If a body gains Q amount of negative charge, the charge on it is - Q.
  3. If a body loses Q amount of positive charge, the charge on it is + Q.
  4. If a body loses Q amount of negative charge, the charge on it is + Q.
Question 4 Multiple Choice (Single Answer)

Which of the following is true regarding the unit of charge?

  1. The SI unit of charge is coulomb
  2. One coulomb is very large amount of charge
  3. One micro coulomb is one millionth of a coulomb or 10-6C
  4. All are true
Question 5 Multiple Choice (Single Answer)

The magnitude of the force between charges depends upon

  1. the magnitude of the charges
  2. the distance between the charges
  3. both (1) and (2)
  4. neither (1) nor (2)
Question 6 Multiple Choice (Single Answer)

Which of the following two charges attract each other?

  1. Two positively charged particles
  2. Two negatively charged particles
  3. One positively charged particle and one negatively charged particle.
  4. None of these
Question 7 Multiple Choice (Single Answer)

Which of the following is not present in gold leaf electroscope?

  1. Gold leaf
  2. Brass disc
  3. Metallic rubber
  4. Rubber stopper
Question 8 Multiple Choice (Single Answer)

An electroscope is an instrument used to detect and compare charges. This instrument can be used to find

  1. whether a body is charged or not
  2. whether the charge on a body is small or large
  3. nature of the charge on a body
  4. all of the above
Question 9 Multiple Choice (Single Answer)

Which of the following statements are true regarding the structure of an atom?

  1. The structure of an atom is somewhat like the solar system
  2. The nucleus is made of protons and neutrons
  3. Electrons have negative charge and move around the nucleus
  4. All the statements are true regarding structure of an atom
Question 10 Multiple Choice (Single Answer)

Which statement is not true?

  1. Normally a body has equal amount of positive and negative charge
  2. Normally a body is electrically neutral
  3. A charged body has an excess of one type of charge
  4. A charged body may or may not have excess of one type of charge
Question 11 Multiple Choice (Single Answer)

Which of the following process can be used to charge a body?

  1. Conduction
  2. By the process of induction
  3. Through frictional force
  4. All of these
Question 12 Multiple Choice (Single Answer)

When a charged body comes in contact with an uncharged body

  1. charge flows from the former to the latter body
  2. charge flows from the latter to the former body
  3. this is the charging by induction
  4. both (1) and (3)
Question 13 Multiple Choice (Single Answer)

Statement incorrect regarding lighting and thunder is

  1. lighting and thunder are caused by the accumulation and separation of charges in the clouds
  2. damages to the building due to lighting can be reduced to a large extent by a lighting conductor
  3. lighting conductor has a set of metal spikes connected by thick metal strip to a large silver plate buried in earth
  4. none of these
Question 14 Multiple Choice (Single Answer)

When an atom loses electrons.

  1. It becomes negative ion
  2. It becomes positive ion
  3. It becomes neutral ion
  4. None of these
Question 15 Multiple Choice (Single Answer)

What do you mean by charge acquired or charge on a body?

  1. Total amount of negative charge on the body
  2. Total amount of positive charge on the body
  3. The difference between the positive and negative charges on the body
  4. The total sum of protons, neutrons and electrons present in the body
Question 16 Multiple Choice (Single Answer)

What do you mean by tribo electric series?

  1. A list of materials arranged in such a way that a material that is higher up in the series becomes positively charged when it is rubbed against another material lower down the series.
  2. A list of materials arranged in such a way that a material that is higher up in the series becomes negatively charged when it is rubbed against another materials lower down the series.
  3. A list of materials arranged in such a way that a material that is lower up in the series becomes positively charged when it is rubbed against another material lower down the series.
  4. None of these
Question 17 Multiple Choice (Single Answer)

Which of the following is not present in triboelectric series?

  1. Human hair
  2. Cotton
  3. Polythene
  4. Paper and pencil
Question 18 Multiple Choice (Single Answer)

Which of the following is not true?

  1. Protons are having positive charge.
  2. Neutrons are having negative charge.
  3. Electrons are having no charge.
  4. Both (2) and (3)
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