Back to the full dot-point answer
SingaporeScienceQuick questions
Electricity and Magnetism
Quick questions on Electrical safety in the home: N(T) Science Electricity and Magnetism
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is insulation?Show answer
Insulation is a covering of material that does not let electricity through. The wires inside cables and plugs are covered in plastic, which is a good insulator.
What are fuses?Show answer
A fuse is a safety device that contains a thin piece of wire. It is fitted in the plug or the fuse box.
What is earthing?Show answer
Earthing is a safety feature for appliances with a metal case. A third wire, the earth wire, connects the metal case to the ground (the earth).
What are safe practices?Show answer
Safe habits matter as much as the built-in features:
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.