CBSE Class 10 Science 2019 · Paper 31/1/2 · Question 1
Name and define the SI unit of current.
Answer
The S.I. unit of current is the ampere; 1 A is 1 coulomb of charge passing through a cross-section per second.
The SI unit of electric current is the ampere (A). One ampere is the current that flows when one coulomb of charge passes through a cross-section of a conductor in one second: .
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