Question

In metal wire, electric current is the flow of
a) negative charges, from negative to positive
b) negative charges, from positive to negative
c) positive charges, from negative to positive
d) positive charges, from positive to negative

Answer 1

Answer is option (a).
Because electrons are the charges which flow from negative terminal(reservoir of electrons) to positive terminal.
hope it helps.

Answer 2

A option

Electrons flow from negative to positive in a circuit.