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A magnet that operates through electricity is an (1.).
Unlike
ordinary magnets it can be turned on and (2)
A simple
electromagnet can be made using a (3.)
and a
piece of (5.)
The (6.)
serves as the core and acts as magnet while
electricity is flowing through the coil of wire. When electricity stops flowing
through the coil to the nail, it will (7.)
attracting metals.
The factors that affect the strength of an electromagnet are
the
(8.)
. (9.
and the (10.)​


Sagot :

Answer:

1.core

2.nail

3.stop

4.elecric current

5.wire

6.number of turns of wire

7.electromagnet

8.off

9.battery

10.nail

Explanation:

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