arnav and abhinav made an electric bell each using electomagnet and permanent magnet which electric bell will work for long time
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Permanent magnet.Because electromagnet will work only till electricity is provided.
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●Dear Arnav elctromagnet Will Work More.
●Reason:-Electromagnet Will work more because this device worked until it get electric current But Permanent magnet gets Loose their magnetic field after some time.
●Hope It help Follow Me If You like it●
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