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  • Help me solve this A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is 6mm. If a glass plate (dielectric constant k = 9) of 4.5mmis introduced between them, then the capacity will become

 A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is 6mm. If a glass plate (dielectric constant k = 9 ) of 4.5mm is introduced between them, then the capacity will become

  • Option 1)

    2 times

  • Option 2)

    The same

  • Option 3)

    3 times

  • Option 4)

    4 times

 

Answers (1)

best_answer

As we have learned

Parallel Plate Capacitor -

C=\frac{\epsilon _{0}A}{d}

- wherein

Area - A seperation between two plates.

 

 C\propto 1/d \Rightarrow \frac{C_{medium}}{C_{air}}= \frac{d}{d-t+\frac{t}{k}}= \frac{6}{6-4.5+\frac{4.5}{9}}= 6/2=3

 


Option 1)

2 times

Option 2)

The same

Option 3)

3 times

Option 4)

4 times

Posted by

Plabita

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