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Physics

Physics
The unit of electrical power is

Ampere
Kilowatt hour
Watt
Bolt

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Physics
Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time

Only II
Only III
All are correct
Only I and III

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Physics
Why does ice covered in sawdust not melt quickly ?

Sawdust is good conductor of heat
Sawdust is a bad conductor of heat
Sawdust does not allow the air to touch the ice
The water is absorbed by sawdust

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

increase its life
increase its electrical conductivity
increase its electrical resistivity
enable it to withstand higher voltages

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Physics
Mud houses are cooler in summers and warmer in winters as compared to brick houses because

Mud is a bad conductor
Mud is a poor insulator
Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters
Mud is a good conductor

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Physics
Tesla is a unit of magnetic :

Moment
Field
Induction
Flux

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MORE MCQ ON Physics

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