The ratio of resistance across AB withthe switch S open and closed will be
(a) 1:3
(b) 3:1
(c) 1:1
(d) 1:2
pls give detailed explanation.
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the ratio will be 1:1
because if the switch will be closed then also the current will flow in the series connection of 6 ohm and 4ohm and four ohm and 6ohm.
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