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Area of electrodes of plate capacutor is S=1dm 2 and distance between electrodes is d=2mm. Dielectric has relative permitivitty Ɛ r =4 , E s =500kV/cm . Thickess of vacuum area is δ=0.2mm. 1. Calculate capacity of capacitor. 2.Calculate maximum voltage of a capacitor without corona effect. Electric strength of vacuum is E sv =30kV/cm . Result: C=136.2pF, U max =1950V Could someone help? Thanks for replies.

Area of electrodes of plate capacutor is S=1dm2 and distance between electrodes is d=2mm. Dielectric has relative permitivitty Ɛr=4, Es=500kV/cm. Thickess of vacuum area is δ=0.2mm.
1. Calculate capacity of capacitor.
2.Calculate maximum voltage of a capacitor without corona effect.
Electric strength of vacuum is Esv=30kV/cm.
 
Result:
C=136.2pF, Umax=1950V
 
Could someone help?
Thanks for replies.

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