Advertisements
Advertisements
प्रश्न
You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?
Advertisements
उत्तर
It happens because the television screen or computer monitor are charged and have static charges accumulated on them and when we touch them with our hands which are uncharged, the charges transfer through our hands and we get a slight shock.
APPEARS IN
संबंधित प्रश्न
Lightning conductors cannot protect a building from lightning.
Suggest three measures to protect ourselves from lightning.
Explain why it is not safe to go out with an umbrella when there is heavy rain, lightning or thunder.
Answer in your own words.
In the lightning conductor, what provision is made for spreading the electricity into the ground?
What is the damage caused by lightning?
Consider the statement given below and choose the correct option.
Assertion: It is safer to stand under a tall tree during lightning.
Reason: It will make you the target for lightning.
If air and cloud were good conductors of electricity, do you think lightning could occur? Explain.
If the materials used for constructing a building were good conductors, do you think lightning will strike the building. Will the lightning conductor be still required to be installed in the building?
Explain how does lightning conductor protects a building from getting struck by lightning.
Who discovered static electricity or lightning in clouds?
Sometimes lighting may be seen before the thunder is heard. Why?
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
