summary on poem parrots for class 8
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I or too little के b i o o o o o o o ho ho v ho the sv cThere are three main types of magnets: temporary, permanent, and electromagnets.
Temporary: Some iron and iron alloys can be easily magnetized by even a weak magnetic field. However, when the magnetic field is removed, the object gradually loses its magnetism.
Permanent: Examples are alnico (Aluminum Nickel Cobalt alloy) and ferrites (ceramic-like material that is made from a mix of iron oxides with nickel, strontium, or cobalt). Once they are magnetized, these objects do not easily lose their magnetism.
Electromagnets: These are used when a very strong magnet is necessary. Electromagnets are made by placing a metal core inside a coil of wire that is carrying an electrical current. The electricity going through the wire produces a magnetic field. While the electric current is flowing, the core acts as a strong magnet. Computers, TVs, and electric motors use electromagnets.may i carry your booksmay i carry your booksನೀವು YouTube ನಲ್ಲಿಯೂ ಮಾಡಬಹುದುThere are three main types of magnets: temporary, permanent, and electromagnets.
Temporary: Some iron and iron alloys can be easily magnetized by even a weak magnetic field. However, when the magnetic field is removed, the object gradually loses its magnetism.
Permanent: Examples are alnico (Aluminum Nickel Cobalt alloy) and ferrites (ceramic-like material that is made from a mix of iron oxides with nickel, strontium, or cobalt). Once they are magnetized, these objects do not easily lose their magnetism.
Electromagnets: These are used when a very strong magnet is necessary. Electromagnets are made by placing a metal core inside a coil of wire that is carrying an electrical current. The electricity going through the wire produces a magnetic field. While the electric current is flowing, the core acts as a strong magnet. Computers, TVs, and electric motors use electromagnets.
Temporary: Some iron and iron alloys can be easily magnetized by even a weak magnetic field. However, when the magnetic field is removed, the object gradually loses its magnetism.
Permanent: Examples are alnico (Aluminum Nickel Cobalt alloy) and ferrites (ceramic-like material that is made from a mix of iron oxides with nickel, strontium, or cobalt). Once they are magnetized, these objects do not easily lose their magnetism.
Electromagnets: These are used when a very strong magnet is necessary. Electromagnets are made by placing a metal core inside a coil of wire that is carrying an electrical current. The electricity going through the wire produces a magnetic field. While the electric current is flowing, the core acts as a strong magnet. Computers, TVs, and electric motors use electromagnets.may i carry your booksmay i carry your booksನೀವು YouTube ನಲ್ಲಿಯೂ ಮಾಡಬಹುದುThere are three main types of magnets: temporary, permanent, and electromagnets.
Temporary: Some iron and iron alloys can be easily magnetized by even a weak magnetic field. However, when the magnetic field is removed, the object gradually loses its magnetism.
Permanent: Examples are alnico (Aluminum Nickel Cobalt alloy) and ferrites (ceramic-like material that is made from a mix of iron oxides with nickel, strontium, or cobalt). Once they are magnetized, these objects do not easily lose their magnetism.
Electromagnets: These are used when a very strong magnet is necessary. Electromagnets are made by placing a metal core inside a coil of wire that is carrying an electrical current. The electricity going through the wire produces a magnetic field. While the electric current is flowing, the core acts as a strong magnet. Computers, TVs, and electric motors use electromagnets.
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