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Physics

Physics
Positive feedback is used in

Amplifiers
Rectifiers
Oscillators
None of these

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Physics
These waves cannot be transmitted through vacuum.

Light
Electromagnetic
Sound
Heat

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Physics
Fog is an example of

Solid dispersed in liquid
Liquid dispersed in gas
Gas dispersed in gas
Solid dispersed in gas

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Physics
What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?

36
24
12
50

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Physics
Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as

Power
Blowout
Braking
Cornering

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Physics
Materials that allow electricity to flow are called

Insulators
Stimulators
Electron flows
Conductors

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