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

question 112

Multiple Choice

How many electrons pass through a 20- $\Omega$ 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