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Magnetism — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsMagnetism1 Mark
Question
The materials suitable for making electromagnets should have(a) High retentivity and high coercivity(b) Low retentivity and low coercivity(c) High retentivity and low coercivity(d) Low retentivity and high coercivity
   
   
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Answer

(c) High retentivity and low coercivity

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