12 Physics Electrostatic Potential And Capacitance - Set No : 3 Question No :3
Question No : 3
A
capacitor of capacitance  is filled with two dielectrics of
dielectric constant 4 and 6. What is the new capacitance? |
| a) | 10  | b) | 5 |
| c) | 4 | d) | 7 |
Answer No : 3
(b)Initially,
the capacitance of capacitor   
(i)When
it is filled with dielectric of dielectric constant  as shown, then there are two
capacitors connected is parallel. So,
(as area becomes half) Using
Eq. (i), we obtain  |