Question

1.
State true or false.
(a) A wire carrying current shows magnetic properties.
(b) The strength of an electromagnet depends on the wire which is wound around it
(c) A solenoid can be used as an electromagnet.
(d) Electromagnets are permanent magnets.
Give some of the common uses of electromagnets.
What is the difference between a soft piece of iron and a magnet?
2.
3.
Science - Electric Current a
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Answer 1

Answer:

a.true

b.true

c.true

d.false

Answer 2

Answer:

a) true

b) false

c) true

d) false

comma use of electro magnets are

1) they use in motor and generator

2) electric bells and buzzers

3) loudspeakers and headphones

magnets can show mageneties properties and iron pieces can't show