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When two objects are rubbed together, one object loses some of its free electrons while the other gains the same number of these free electrons. Which object gains the positive charge?
- a)The object losing electrons.
- b)The object gaining electrons.
- c)Both of these
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
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When two objects are rubbed together, one object loses some of its fre...
Electrons are negatively-charged particles. The object losing electrons gains positive charge. The object gaining electrons gains negative charge.
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When two objects are rubbed together, one object loses some of its fre...
Answer:
When two objects are rubbed together, one object loses some of its free electrons while the other gains the same number of these free electrons. The object that loses electrons will gain a positive charge.
Explanation:
1. Electron transfer:
When two objects are rubbed together, the friction between them causes the transfer of electrons from one object to another. This phenomenon is known as triboelectric charging. During rubbing, the atoms in the surfaces of the objects come close enough to allow the transfer of electrons.
2. Losing and gaining electrons:
One object loses some of its free electrons while the other gains the same number of these free electrons. The object that loses electrons becomes positively charged, and the object that gains electrons becomes negatively charged.
3. Conservation of charge:
The total charge of the system remains conserved. This means that the total number of electrons lost by one object is equal to the total number of electrons gained by the other object.
4. Positive charge:
Since the object losing electrons has a deficit of negative charges (electrons), it becomes positively charged. The positive charge arises due to the excess of positive protons in the nucleus of the atom, which is no longer neutralized by an equal number of electrons.
5. Example:
For example, when a comb is rubbed with dry hair, the comb loses some of its electrons while the hair gains the same number of electrons. Therefore, the comb becomes positively charged, and the hair becomes negatively charged.
Conclusion:
In conclusion, when two objects are rubbed together, the object that loses electrons gains a positive charge. This is because the transfer of electrons causes an imbalance of charges, resulting in one object becoming positively charged and the other becoming negatively charged.
When two objects are rubbed together, one object loses some of its free electrons while the other gains the same number of these free electrons. The object that loses electrons will gain a positive charge.
Explanation:
1. Electron transfer:
When two objects are rubbed together, the friction between them causes the transfer of electrons from one object to another. This phenomenon is known as triboelectric charging. During rubbing, the atoms in the surfaces of the objects come close enough to allow the transfer of electrons.
2. Losing and gaining electrons:
One object loses some of its free electrons while the other gains the same number of these free electrons. The object that loses electrons becomes positively charged, and the object that gains electrons becomes negatively charged.
3. Conservation of charge:
The total charge of the system remains conserved. This means that the total number of electrons lost by one object is equal to the total number of electrons gained by the other object.
4. Positive charge:
Since the object losing electrons has a deficit of negative charges (electrons), it becomes positively charged. The positive charge arises due to the excess of positive protons in the nucleus of the atom, which is no longer neutralized by an equal number of electrons.
5. Example:
For example, when a comb is rubbed with dry hair, the comb loses some of its electrons while the hair gains the same number of electrons. Therefore, the comb becomes positively charged, and the hair becomes negatively charged.
Conclusion:
In conclusion, when two objects are rubbed together, the object that loses electrons gains a positive charge. This is because the transfer of electrons causes an imbalance of charges, resulting in one object becoming positively charged and the other becoming negatively charged.
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