A parallel plate capacitor is formed by two plates each of area 30πcm2 separated by 1 mm. A material of dielectric strength 3.6 × 107 Vm-1 is filled between the plates. If the maximum charge that can be stored on the capacitor without causing any dielectric breakdown is 7 × 10-6 C, the value of dielectric constant of the material is [Use ]
A parallel plate capacitor is formed by two plates each of area 30πcm2 separated by 1 mm. A material of dielectric strength 3.6 × 107 Vm-1 is filled between the plates. If the maximum charge that can be stored on the capacitor without causing any dielectric breakdown is 7 × 10-6 C, the value of dielectric constant of the material is [Use ]
Option 1 -
1.66
Option 2 -
1.75
Option 3 -
2.25
Option 4 -
2.33
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1 Answer
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Correct Option - 4
Detailed Solution:A = 30p cm2 = 30p × 10-4 m2
d = 1mm = 10-3 m
E = (dielectric strength for breakdown)
= 3.6 × 107 v/m
Q = 7 × 10-6 C
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