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Question
There is ______ when opposite electric charge come near each other.
Options
always repulsion
always attraction
displacement of negative charge
displacement of positive charge
atom
molecule
steel
copper
plastic
inflated balloon
charged object
gold
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Solution
There is always attraction when opposite electric charge come near each other.
Explanation:
This happens because opposite charges (positive and negative) attract each other due to the fundamental electrostatic force described by Coulomb's law. Positive charges attract negative charges and vice versa, while like charges repel each other. This is why opposite charges always experience an attractive force when they come near each other.
RELATED QUESTIONS
______ does not get electrically charged easily by rubbing.
Electric field lines ______ from positive charge and ______ in negative charge.
Match the following.
| 1. | Electric charge | a. | ohm |
| 2. | Potential difference | b. | ampere |
| 3. | Electric field | c. | coulomb |
| 4. | Resistance | d. | newton per coulomb |
| 5. | Electric current | e. | volt |
State whether true or false. If false, correct the statement.
Electrically neutral means it is either zero or equal positive and negative charges.
Exercise.
Rubbing a comb on hair makes the comb get – 0.4C.
- Find which material has lost electron and which one gained it.
- Find how many electrons are transferred in this process.
As electrons are revolving in the ______ of an atom they can be easily removed from an atom and also added to it.
The excess of electrons makes an object negative and ______ of electrons makes it positive.
Electric charge is ______ in nature.
A comb rubbed with hair and brought near pieces of paper attracts them, because both comb and paper get similarly charged.
What is the charge of one electron?
