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Electrostatic Potential and Capacitance

  1. Two parallel metal plates having charges + Q and –Q face  each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will
    1. remain same
    2. ​become zero
    3. ​increases
    4. decrease
Correct Option: D

​Electric field ​ ​

E =
σ
=
Q
ε

ε of kerosine oil is more than that of air. ​
As ε increases, E decreases.



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