How Many Electrons Pass Through a 20-Ω Resistor in 10

Multiple Choice

How many electrons pass through a 20-Ω resistor in 10 min if there is a potential drop of 30 volts across it?

A) 5.6 × 10²¹
B) 7.5 × 10²¹
C) 9.4 × 10²¹
D) 1.1 × 10²¹
E) 3.8 × 10²¹