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ORDER BY `video_id` desc Magnetism and Electromagnetism 9th Standard
Science Which of the following converts electrical energy into mechanical energy? motor battery generator switch An electric generator converts electrical energy into mechanical energy mechanical energy into heat energy electrical energy into electrical energy mechanical energy into electrical energy The unit of magnetic flux density is weber weber/metre weber/metre2 weber. metre2 No force acts in a current carrying conductor when it is __________ the magnetic field. Devices which is used to convert high alternating current to low alternating current __________. State Fleming’s Left Hand Rule. List the main parts of an electric motor. Differentiate step up and step down transformer. State Faraday’s laws of electromagnetic induction. Explain the principle, construction and working of a dc motor. Draw a neat diagram of an AC generator.
9th Science - Magnetism and Electromagnetism Book Back Questions
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Magnetism and Electromagnetism Book Back Questions
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