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प्रश्न
A lightning conductor is made of a ______ strip.
विकल्प
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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उत्तर
A lightning conductor is made of a copper strip.
संबंधित प्रश्न
______ is responsible for generation of electric charge in an object.
There is ______ when opposite electric charge come near each other.
A ______ can be detected with an electroscope.
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.
On what factors does the electrostatic force between two charges depend?
If an electron is added in excess to an atom then the atom is ______ charged.
Electric charge is ______ in nature.
How many electrons accumulate to make 1C of electric charge?
What is the charge of one electron?
