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प्रश्न
Name two devices in which electromagnets are used and two devices where permanent magnets are used.
उत्तर
Uses of electromagnet:
1. In MRI scanners
2. In magnetic levitation train
Uses of permanent magnet:
1. In microphones
2. In electric clocks
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संबंधित प्रश्न
The phenomenon of electromagnetic induction is
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D.C. motor ______.
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Based on your understanding of the phenomenon, answer the following question.
What is the principle which Ansari Sir is trying to demonstrate?
