A wire of resistance 10 ohms is stretched to thrice.Calculate the new resistance. If this same wire is stretched to reduce its diameter to half of its initial value,what will be new resistance.please explain it....
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A new resistance is 5ohm
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R=10ohm
the wire is reduced to half of its initial value
1/2R
=1/2×10ohm
=5ohm
the wire is reduced to half of its initial value
1/2R
=1/2×10ohm
=5ohm
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