Advertisements
Advertisements
प्रश्न
Explain why it is safer to use a wireless telephone instead of a landline telephone during lightning.
Advertisements
उत्तर
During lightning, an electric charge may discharge through telephone cords of landline telephone and may become dangerous. Therefore, it is safer to use mobile phones and wireless/cordless phones during lightning.
APPEARS IN
संबंधित प्रश्न
The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.
Answer in your own words.
How are charges generated?
Answer in your own words.
In the lightning conductor, what provision is made for spreading the electricity into the ground?
Answer in your own words.
Why do farmers stick an iron staff into the ground while working in the field in rainy conditions?
How will you create awareness to prevent 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.
How lightning takes place?
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.
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 lightning takes place.
During thunderstorms, the air is moving ______ rapidly. This air moves rapidly.
______ extreme heat will vaporize the water inside a tree, creating steam that may burn out the tree.
How does thunder take place?
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: It is safer to stand under a tall | tree during lightning.
