Physical Science

1. Which one of the following is designed to interrupt a circuit in case of an overload?

• circuit breaker
• resister
• solenoid
• transformer

2. Power plants distribute AC current as high voltage over long distances and then convert it to a low voltage using a __________.

• solenoid
• switch
• breaker
• transformer

3. Less power is required to start an object in motion than to keep it in motion.

• True
• False