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From the below observations, it can be concluded that (A) both balloons B2 and B3 are positively charged (B) both balloons B2 and B3 are negatively charged (C) balloon B2 is uncharged while balloon B3 is positively charged (D) balloon B2 is positively charged while balloon B3 is negative charged

$\begin{array}{1 1}(A)\;a\;and\;b\\ (B)\;c\;and\;d\\ (C)\; a \; alone \\(D)\; d\;alone \end{array} $

1 Answer

(i) balloon B2 is uncharged while balloon B3 is positively charged
(ii) balloon B2 is positively charged while balloon B3 is negative charged
Hence b is the correct answer.
answered May 28, 2014 by meena.p
 

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