A parallel plate capacitor consists of two circular plates of radii 5 cm and 10 cm. The centres of the two plates are kept on the same straight line with a separation of 'd' and the plates are completely immersed in a liquid of dielectric constant 18. If the capacitance of the capacitor immersed in the liquid is 250 pF, then the value of 'd' is
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- 5 mm
- 10 mm
- 2.5 mm
- 7.5 mm \bigskip
The Correct Option is B
Solution and Explanation
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