Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
Suggest three measures to protect ourselves from lightning.
Answer in your own words.
Why do farmers stick an iron staff into the ground while working in the field in rainy conditions?
What is the damage caused by lightning?
What are the remedial measures for the following calamity:
Lightning strike
Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by
During the construction of a building, the lightning conductor was left hanging in the air by mistake. Would the lightning conductor be still effective? Explain.
If air and cloud were good conductors of electricity, do you think lightning could occur? Explain.
Identify the lightning conductor and the copper plate in the following figure.
Explain why it is safer to use a wireless telephone instead of a landline telephone during lightning.
What precautions would you take if lightning occurs while you are outside the house?
During thunderstorms, the air is moving ______ rapidly. This air moves rapidly.
Sometimes lighting may be seen before the thunder is heard. Why?
During lightning and thunder, we should avoid standing in-ground and open spaces 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.
