Physics for IGCSE & O level - The Earth In Space (Section 7 - No. 12)
A car is traveling to the right. Which of the following statements must be true?
X and Y have the same resistance.
X has double the resistance of Y.
X has four times the resistance of Y.
X has half the resistance of X.
Explanation
Because X and Y are made of the same material, the difference in their resistance depends on their length.
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