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प्रश्न
Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by
पर्याय
cotton thread
plastic string
copper wire
rubber band
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उत्तर
copper wire
Explanation:
Two bodies must be joined by any conducting wire, i.e. copper wire for the flow of current.
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संबंधित प्रश्न
Suggest three measures to protect ourselves from lightning.
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.
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.
How will you protect yourself from lightning?
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?
What is the damage caused by lightning?
What are the remedial measures for the following calamity:
Lightning strike
How lightning takes place?
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.
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?
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.
