SSC
PHYSICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the base SI unit for measuring electric current?
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ampere (A)
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meter (m)
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kilogram (kg)
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liter (l)
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Explanation:
Detailed explanation-1: -The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 x 10-19 when expressed in the unit C, which is equal to A s, where the second is defined in terms of Cs.
Detailed explanation-2: -The SI unit of electric charge is Coulomb (C). Ampere is the SI unit of electric current.
Detailed explanation-3: -SI base units One SI base unit comes from electricity: the ampere. The ampere has the same lofty status as the meter, kilogram, and second. It is defined as its own thing, not in terms of other units.
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