Question

write the mathematical expression for current.what is its si unit​

Answer 1

Answer:

i is current and t is time. hence SI unit will be coulomb/sec which is termed as ampere.

Step-by-step explanation:

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Answer 2

Answer:

SI unit of current is ampere. Current is usually denoted by the symbol I. Ohm's law relates the current flowing through a conductor to the voltage V and resistance R; that is, V = IR. An alternative statement of Ohm's law is I = V/R.