Author Question: If 5.0 1021 electrons pass through a 20- resistor in 10 min, what is the potential difference ... (Read 116 times)

michelleunicorn · **on:** Jul 28, 2018

If 5.0 1021 electrons pass through a 20- resistor in 10 min, what is the potential difference across the resistor?
a. 21 V
b. 32 V
c. 27 V
d. 37 V
e. 54 V

Question 2

A 4.0- resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resistor during this time interval?
a. 7.5 1021
b. 5.6 1021
c. 6.6 1021
d. 8.4 1021
e. 2.1 1021