If a wire conductor of 12 ohm resistance is doubled in length its resistance becomes
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it's become dubble so new resistance is 24ohm
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By the formula :
R = p l / a
Resistance is directly proportional to the length .
Hence if length is doubled , then the resistance will also be doubled.
Original resistance = 12 ohm
If length is doubled resistance becomes :
R = 12 ohms × 2 = 24 ohms
ANSWER:
The resistance will be 24 ohms
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