How Many Electrons Pass Through a 20- $\Omega$ Resistor in 10 Minutes If There Is a Potential Drop

Multiple Choice

How many electrons pass through a 20- $\Omega$ resistor in 10 minutes 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