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Please answer this question .I am unable to solve this

Please answer this question .I am unable to solve this

Question Image
Grade:12

1 Answers

Adarsh
768 Points
3 years ago
Dear Vini,
We know that after inserting dielectric capacitance became k times of initial value .
In this case capacitance of capacitor will become 3 times of initial value and hence charge stored will also be 3 times of initial value ..
so charge stored will be 21 x 3 = 63micro C..

Thanks and Regards
Adarsh

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