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Explain what would happen if in the capa...

Explain what would happen if in the capacitor gives in Exercise 8, a 3 mm thick mic sheet (of dielectric constant =6) were inserted between the plates,
a. while the voltage remain connected.
b. after the supply was disconnected.

Text Solution

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`a. C=(epsi_(0) A)/((d-t+1/tepsi_(0)))=(8.85 xx 10^(-12) xx 6)/(3 xx 10^(-3)) =106.2pF=1.106nF`
b. `V=Q/C=(C_(0)V)/(d)=(epsi_(0)A)/d xx (V)/((epsi_(0)epsi_(0r) A)/d)=(100)/(6)=16.67V`
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