koi ek sandhi pehechankr bichedan aur sandhi banao
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electromagnet is a type of magnet in which the magnetic field is produced by an electric current. ... The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet
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Give reasons for the following. (6)
1. Retreating Monsoon winds do not give rain.
2. Lok adalats are established in districts.
3. Gupta age is called the golden age of Indian history.
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