SSC
PHYSICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which quantity is base quantity?
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Potential difference
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Electric current
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Electric energy
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Electric power
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Explanation:
Detailed explanation-1: -Electric current (I) was chosen by SI to be a base quantity-a fundamental physical quantity. A base quantity-though is not defined in terms of other quantities-can however be expressed in terms of other quantities.
Detailed explanation-2: -A base quantity is one of a conventionally chosen subset of physical quantities, where no quantity in the subset can be expressed in terms of the others. There are seven basic fundamental quantities: Length, mass, time, electric current, amount of substance, luminous intensity and temperature.
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