Author Question: If 480 C pass through a 4.0- resistor in 10 min, what is the potential difference across the ... (Read 124 times)

Lobcity · **on:** Jul 28, 2018

If 480 C pass through a 4.0- resistor in 10 min, what is the potential difference across the resistor?
a. 3.6 V
b. 2.8 V
c. 2.4 V
d. 3.2 V
e. 5.0 V

Question 2

A certain brand of hot dog cooker applies a potential difference (120 V) to opposite ends of the hot dog and cooks by means of the joule heat produced. If 60 kJ is needed to cook each hot dog, what current is needed to cook four hot dogs simultaneously in 3.0 min?
a. 11 A
b. 2.8 A
c. 8.3 A
d. 2.1 A
e. 3.6 A