alleryDoubling the length of a conductor makes its resistance:
ADouble
BHalved
CSame as
DZeroing
Answer & Solution
Correct answer: A. Double
1. Resistance grows with the length of the path.
2. Two identical slabs in a row act like one long one.
3. So doubling the length doubles the resistance.
4. The answer is double.
_Source: syllabus Physics, Ch 3 'Current Electricity'_
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