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प्रश्न
A lightning conductor is made of a ______ strip.
पर्याय
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
Rubbing of comb with hair
Electric field lines ______ from positive charge and ______ in negative charge.
Electrons move from ______ potential to ______ potential.
What are electric lines of force?
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 is the ground connection?
As electrons are revolving in the ______ of an atom they can be easily removed from an atom and also added to it.
If an electron is added in excess to an atom then the atom is ______ charged.
A comb rubbed with hair and brought near pieces of paper attracts them, because both comb and paper get similarly charged.
How many electrons accumulate to make 1C of electric charge?
