Question

 An electromagnet is different from a permanent magnet because an
electromagnet ________.

is magnetic
can push and pull
can attract some metals
can turn on and off


 Resistance to electricity is measured in ______.
watts
amps
volts
ohms
.  An electromagnet works because _______.
moving electrons generate magnetic forces
alternating current completes a circuit
a generator is powerful
electrons flow through copper wire

Answer 1

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Answer 2

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