A parallel plate condenser is immersed in an oil of dielectric constant $2$. The field between the plates is
A parallel plate condenser is immersed in an oil of dielectric constant $2$. The field between the plates is
- A
Increased proportional to $ 2$
- B
Decreased proportional to $\frac{1}{2}$
- C
Increased proportional to $\sqrt 2 $
- D
Decreased proportional to $\frac{1}{{\sqrt 2 }}$
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A parallel plate capacitor with plate area $A$ and plate separation $d =2 \,m$ has a capacitance of $4 \,\mu F$. The new capacitance of the system if half of the space between them is filled with a dielectric material of dielectric constant $K =3$ (as shown in figure) will be .........$ \mu \,F$
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