Q. 6 Do as directed.
3. What is the ratio of 50 cm and 1 m?
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An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the center of the coil.
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Step-by-step explanation:
1m= 100cm
100cm : 50cm
2:1
is ratio
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