Practice Electric Fuse (12.4.2) - Magnetic Effects of Electric Current

Practise this section

9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the primary function of an electric fuse?
Show hintHide hint
Think about what happens when too much electricity flows.
Question 2.
What occurs during an overload?
Show hintHide hint
Recall what it means to connect too many devices.
3Question 3.
What does an electric fuse do?
- Prevents current flow
- Melts to break the circuit
- Increases voltage
Show hintHide hint
Consider how it protects electrical systems.
4Question 4.
True or False: A fuse will not break a circuit if the wire insulation is damaged.
- True
- False
Show hintHide hint
Think about scenarios where wires come into contact.
Question 5.
Design a layout for a household electrical system. Specify where fuses should be placed based on appliance power ratings and expected usage.
Show hintHide hint
Reflect on the power demands of heavy appliances like washing machines.
Question 6.
Explain why the use of a fuse is more important than circuit breakers in certain situations, such as in older homes.
Show hintHide hint
Consider the differences in response time between fuses and circuit breakers.

5 more questions in this section. Enroll free to practise them all.