Two different wires have
specific resistivity, lengths,
area of cross-section are in
the ratio 3:4, 2:9 and 8:27.
Then the ratio of resistance
of two wires is
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Two different wires have specific resistivities, lengths,a re of cross-sections are in the ratio 3:4,2:9 and 8:27 then the ratio of resistance of two wires is. CBSE board exam 2021 to be held post February, no online exam. CBSE will announce the exam datesheet tentatively in February 2021.
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