Two conductors A and B have the
same cross-section and are made of the
same material. If RA = 400 ohms and RB
200 ohms. How many number of times
A is longer than B.
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Explanation:
Definitely 8 times longer than B, because one of the factor of resistance is the length of object being measured. The longer the material, the more the resistance. So, if material A and B are made of the same material and same cross section (which are two other factors of resistance. There are three, with length), but they differ in resistance, it means, the one that has more resistance, has longer length
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