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Besic Electrical
What is Retentivity?
It is the effect which we see in soft ferromagnetic material.
When magnetic flux pass through it. It behaves like magnet
and when we cut magnetic flux,it loses magnetism property.
But in reality there has some magnetism present in this
material. This effect we call Retentivity or Residual
magnetism.
What is Field winding and
Armeture Winding ?
Armeture Winding :- This Winding where flow current. It behaves
like current carring conductor.
Field winding :- This Winding where produce magnetic field when
we give current
What is Solid State
Relay?
It is used to switching purpose for both ac,dc current
by using an SCR,TRIAC instead of mechanical No/Nc
contact.

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Besic Electrical.pptx

  • 2. What is Retentivity? It is the effect which we see in soft ferromagnetic material. When magnetic flux pass through it. It behaves like magnet and when we cut magnetic flux,it loses magnetism property. But in reality there has some magnetism present in this material. This effect we call Retentivity or Residual magnetism.
  • 3. What is Field winding and Armeture Winding ? Armeture Winding :- This Winding where flow current. It behaves like current carring conductor. Field winding :- This Winding where produce magnetic field when we give current
  • 4. What is Solid State Relay? It is used to switching purpose for both ac,dc current by using an SCR,TRIAC instead of mechanical No/Nc contact.