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10Lightning is a form of transmission of electricity.
Lightning occurs even when the sky is clear.
Clouds are formed due to evaporation of water from the earth’s surface.
Friction inside clouds causes the exchange of electrons.
Positive charge is generally generated at the lower part of the cloud.
Negative charge is generated at the lower part of the cloud.
Electric discharge produces heat, light, and sound.
Lightning can damage buildings and trees.
Thunder is heard before lightning is seen.
Lightning rod protects a house from lightning.
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Lightning is produced due to:
Charge in clouds is generated due to:
Which charge is usually found at the lower cloud?
Lightning produces:
Lightning occurs mostly during:
The device used to protect buildings from lightning is:
Earthing helps to:
Copper wire is used in lightning rod because it:
During lightning, it is unsafe to stand under a tree because:
Which substance is filled in the earthing pit?
Lightning is the transmission of ______.
Cloud is formed due to ______ of water from the earth.
Friction inside clouds causes ______ of electrons.
The lower cloud is generally ______ charged.
Electric discharge produces heat, light and ______.
Lightning rod is fitted at the ______ of the house.
Earthing helps to pass electric current into the ______.
Copper wire is connected to the lightning rod and ______.
Substances like coal and salt absorb ______.
Lightning may damage buildings and ______.