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प्रश्न
What is the function of the following in a dynamo?
Concave cylindrical magnets
लघु उत्तरीय
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उत्तर
They produce a strong, uniform radial magnetic field in which the armature coil rotates. This ensures that the coil cuts the magnetic lines of force effectively, giving a larger induced e.m.f.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: 1. Electromagnetism 2. Magnetic Effects of Electric Current 3. Electromagnetic Induction - EXERCISE-2 [पृष्ठ २२२]
