Fuses and Circuit Breakers ARTICLE
Passage
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
Rafael Guzman
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of fuses and circuit breakers in a home's electrical system?
To protect the electrical system from overloads and short circuits
To increase the voltage in the electrical system
To provide a backup power source
To enhance the speed of electrical current
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do fuses differ from circuit breakers in terms of usability?
Fuses need to be replaced after each overload, while circuit breakers can be reset
Fuses are more cost-effective than circuit breakers
Fuses provide better protection against short circuits
Fuses are more convenient to use than circuit breakers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mechanism do circuit breakers use to detect and interrupt excessive current flow?
A combination of thermal and magnetic elements
Only a thermal element
Only a magnetic element
A chemical reaction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should homeowners do regularly to ensure the safety of their circuit breakers?
Manually trip and reset each breaker several times a year
Replace all circuit breakers annually
Increase the amperage rating of each breaker
Install additional fuses for extra protection
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might repeated tripping of a circuit breaker indicate?
An overloaded circuit, a short circuit, a ground fault, or a faulty appliance
A need for more circuit breakers
A malfunctioning electrical meter
A power outage in the area
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