In how many equal parts a wire of resistance 100 ohm be cut so that we may obtain a resistance of 1 ohm by connecting them in parallel?
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10 parts exactly
we know in parallel
1/R = 1/ R₁ +1/R₂ + ................
so, for 10 parts of resistance 10 Ω each...
1/R = 1/10 + 1/10 +............10 times...
= 10 x 1/10
= 1 Ω - answer
we know in parallel
1/R = 1/ R₁ +1/R₂ + ................
so, for 10 parts of resistance 10 Ω each...
1/R = 1/10 + 1/10 +............10 times...
= 10 x 1/10
= 1 Ω - answer
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