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प्रश्न
What are electric lines of force?
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उत्तर
The direction of the electric field is the direction of the force that would act on a small positive charge. Therefore the lines representing the electric field are called ‘electric lines of force’.
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संबंधित प्रश्न
______ is responsible for generation of electric charge in an object.
A lightning conductor is made of a ______ strip.
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 |
Electrons move from ______ potential to ______ potential.
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.
What are positive and negative ions?
As electrons are revolving in the ______ of an atom they can be easily removed from an atom and also added to it.
Electric charge is ______ in nature.
How many electrons accumulate to make 1C of electric charge?
Define electric field.
