Question

make an activity "to prepare electromagnet" and write aim, procedure, observation​

Answer 1

Answer:

aim:to prepare a electromagnet

apparatus: insulated wire,iron nail,a cell,some pins

procedure:1)take a long piece of insulated wire and an iron nail

2)wind the wire tightly around the nail

3) connect the free ends of the wire to the terminals of a cell through a switch

4)place some pins on or near the end of the nail and switch on the current.and observe

observation:the pins cling to the tip of the nail

Answer 2

Answer:

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