Question

why current is called basic quantity?​

Answer 1

Answer:

Current is fundamental quantity because it can be measured more easily than counting the charges. We can measure current using instruments (Ammeter) but charges can't be counted so easily. A fundamental quantity must be easy to measure therefore we use electric current as a fundamental quantity instead of charge.

Answer 2

$\mapsto$Current is fundamental quantity because it can be measured more easily than counting the charges. We can measure current using instruments (Ammeter) but charges can't be counted so easily. A fundamental quantity must be easy to measure therefore we use electric current as a fundamental quantity instead of charge.