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Three concentric conducting spherical shells carry charges as follows; + Q on the inner shell, - 2 Q on the middle shell and - 5 Q on the outer shell. The charge on the inner surface of the outermost shell is
- Zero
- + Q
- -2Q
- -3Q
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+Q (inner shell)−2Q (for middle shell)−5Q (outer shell) Given charge of the inner surface of outer most shell.2Q−Q=Q
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