Answer:
this is because Steel is more difficult to magnetise and demagnetise but an iron core makes a temporary electromagnet because its lose its magnetism when the switch is open and and steel core is used to make a permanent electromagnet
Explanation:
mice can bite the elephant's trunk and/or feet and they can get the elephants a surprise.
Answer:
1. B
2. B
3. A
Sorry if any of these are wrong