A Certain Brand of Hot Dog Cooker Applies a Potential

question 56

Multiple Choice

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