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Physics

Physics
The coil wire in the electric room heater or electric cooking heater is called ________

Element
Filament
Circuit
Cells

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Physics
Metals are good conductors of electricity because:

They have high melting point.
They contain free electrons.
The atoms are lightly packed.
All of these

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Physics
The magnitude of buoyant force depends on the ________ of the fluid.

Density
Volume
Temperature
Mass

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Physics
Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

6250
12500
40
20

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Physics
Hydraulic brakes work on the principle of

Pascal's law
Newton's law
Bernoulli's theorem
Thomson's law

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Physics
Which elements are malleable and good conductors of electricity?

Iodine and xenon
Iodine and silver
Tin and silver
Tin and xenon

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