Electromagnet
Points : Electromagnet, Use of electro magnets Definition: When an iron bar is placed inside a solenoid and current is passed for a short time, it is found after testing that the iron bar is magnetized. Such magnets are called electromagnets.
Use of electro magnets Electro magnets are used in
• Electric bell
• Telephone
• Telegraph
• Galvanometer
• Ammeter
• Voltmeter
Points : Electromagnet, Use of electro magnets Definition: When an iron bar is placed inside a solenoid and current is passed for a short time, it is found after testing that the iron bar is magnetized. Such magnets are called electromagnets.
Use of electro magnets Electro magnets are used in
• Electric bell
• Telephone
• Telegraph
• Galvanometer
• Ammeter
• Voltmeter
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