what is mean by unified atomic mass
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The unified atomic mass unit (u) refers to the 1/12 (0.0833) the mass of the carbon-12 atom. It is used to express the mass of atomic and subatomic particles. It is also called dalton, named after John Dalton.
Ohm's law states that the current through a conductor is proportional to the voltage across the conductor. This is true for many materials (including metals) provided the temperature (and other physical factors) remain constant.
Newton's third law of motion states that for every action (force) in nature there is an equal and opposite reaction.
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