A Certain 20-A Circuit Breaker Trips When the Current in It

question 327

Multiple Choice

A certain 20-A circuit breaker trips when the current in it equals $20 \mathrm {~A}$ . What is the maximum number of $100 - W$ light bulbs you can connect in parallel in an ideal $120 - \mathrm { V }$ dc circuit without tripping this circuit breaker?

• A) 23
• B) 11
• C) 27
• D) 17