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Decide Whether Each of These Statements Is True (T) or False

Question 7

Multiple Choice

Decide whether each of these statements is True (T) or False
Copper has a linear coefficient of expansion of 0.000 017 /K and aluminium a linear coefficient of expansion of 0.000 023 /K.
(i) With equal length copper and aluminium wires exposed to the same increase in temperature, the aluminium will increase in length more than the copper.
(ii) To give the same increase in length for copper and aluminium wires for the same increase in temperature, the copper wire will need to be 1.35 time


A) (i) T (ii) T
B) (i) T (ii) F
C) (i) F (ii) T
D) (i) F (ii) F

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