Charges $Q, 2Q$ and $-Q$ are given to three concentric conducting shells $A, B$ and $C$ respectively as shown the ratio of charges on inner and outer surfaces of shell $C$ will be
Charges $Q, 2Q$ and $-Q$ are given to three concentric conducting shells $A, B$ and $C$ respectively as shown the ratio of charges on inner and outer surfaces of shell $C$ will be
- A
$ + \frac{3}{4}$
- B
$ - \frac{3}{4}$
- C
$ + \frac{3}{2}$
- D
$ - \frac{3}{2}$
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