The Young’s modulus of brass and steel are respectively. A brass wire and a steel wire of the same length are extended by 1 mm under the same force. The radii of the brass and steel wires are respectively. Then |
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a) |
b) |
c) |
d) |
The Young’s modulus of brass and steel are respectively. A brass wire and a steel wire of the same length are extended by 1 mm under the same force. The radii of the brass and steel wires are respectively. Then |
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a) |
b) |
c) |
d) |