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Physics

Physics
The best conductor of electricity among the following is :

Iron
Aluminium
Copper
Silver

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Physics
A piece of wood is held under water. The upthrust on it will be:

Less than weight of the wood
Zero
Equal to the weight of the wood
More than weight of the wood

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Physics
In a magnetic field, the direction of motion of a current carrying conductor is given by

Maxwell's right hand rule
Flemings left hand rule
Lenz's rule
Kirchoff's law

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Physics
Minimum number of unequal vectors which can give zero resultant are

more than four
four
three
two

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Physics
The unit of measurement of noise is

Acoustics
Hertz
Decibel
Amplifier

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Physics
For which one of the following, ''Diodes' are generally used for?

Filtration
Amplification
Modulation
Rectification

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MORE MCQ ON Physics

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