What type of materials are needed to create an electromagnet? Options: A . &nbspbattery, light bulb, plastic straw B . &nbspbattery, coil of wire, iron core C . &nbspgenerator, iron core, switch D . &nbspswitch, source of electricity, compass

What type of materials are needed to create an electromagnet?

Question

What type of materials are needed to create an electromagnet?

Options:

A . battery, light bulb, plastic straw

B . battery, coil of wire, iron core

C . generator, iron core, switch

D . switch, source of electricity, compass

Answer: Option B

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