Two identical copper wires, P and Q

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits

Problem

Two identical copper wires, P and Q, carry steady currents of

2\,\text{A}

and

3\,\text{A}

respectively for the same time interval of

5\,\text{s}

. What is the ratio of the total number of electrons that pass through P to that through Q? (a)

3{:}2

(b)

1{:}1

(c)

2{:}3

(d)

4{:}9