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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
उत्तर
A lightning conductor is made of a copper strip.
संबंधित प्रश्न
______ does not get electrically charged easily by rubbing.
A ______ can be detected with an electroscope.
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.
Electrons move from ______ potential to ______ potential.
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.
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?
