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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
MCQ
रिक्त स्थान भरें
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उत्तर
A lightning conductor is made of a copper strip.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
There is ______ between like charges.
There is ______ when opposite electric charge come near each other.
Rubbing of comb with hair
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.
What is the charge of one electron?
Define electric field.
