Question

Which is the smallest unit of electric current?

Options

• kA

• MA

• μA

• mA

Answer 1

μA

Explanation:

1 kA = 10³ A, 1 MA = 10⁶ A, 1 mA = 10⁻³ A, 1 μA = 10⁻⁶ A

Thus, the microampere is the smallest unit.