A parallel plate capacitor contains one mica sheet of thickness d1=1.0 – McqOptions

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1.	A parallel plate capacitor contains one mica sheet of thickness d1=1.0X10-3m and one fibre sheet of thickness d2=.5X10-3. The dielectric constants of mica and fibre are 8 and 2.5 respectively . Fibre break down in an electric field of 6.4X106 V/m .What maximum voltage can be applied to the capacitor?
A.	6000V
B.	5200V
C.	5426V
D.	none of this
Answer» B. 5200V

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