If 5.0 1021 electrons pass through a 20- resistor in 10 min, ...

[michelleunicorn]

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

[elyse44]

Answer to Question 1

c

Answer to Question 2

b

[michelleunicorn]

Thanks for the timely response, appreciate it

[atrochim]

Wow, this really help