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Physics

Physics
Speed regulation of synchronous motor is

Zero
0.01
0.005
0.25

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Physics
1 WH =

36000 joules
3600 joules
360 joules
36 joules

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Physics
Which best describes how air moves during convection?

Air always falls down
Warm air falls down
Cool air falls down
Cool air is replaced by warm air

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Physics
The oil in the wick of an oil lamp rises up due to:

Capillary action
Pressure difference
Gravitational force
Low viscosity of oil

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Physics
Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be

At the same level in both
At a higher level in water
At a higher level in alcohol
Floating in alcohol and sinking in water

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Physics
When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are

Transverse
Waves are not produced
Longitudinal
Both longitudinal and transverse

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