Electromagnets Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
What are 3 ways that an Electromagnet can be made stronger? | >Turn up the voltage >Increase the coils of wire >More magnetic material inside the coils |
What poles of an EM attract? | >Opposite |
What poles of an EM repel? | >Same |
How does a relay switch work? | 1. When electricity flows through circuit 1, the coil of wire becomes an EM. 2. The EM attracts the piece of iron which closes the switch so electricity flows into circuit 2. |
How does a reed switch work? | When a magnet is placed near the reed switch, the two pieces of iron are attracted together, this closes the switch so electricity flows through the circuit. |
Created by:
parislittle
Popular Science sets