The bimetallic strip above is made of aluminum (coefficient of liner expansion= 24 106 C1) and gold (coefficient of liner expansion= 14 106 C1).

  • The bimetallic strip above is made of aluminum (coefficient of liner expansion= 24 ×10−6 °C−1) and gold (coefficient of liner expansion= 14 ×10−6 °C−1). When this strip is held down at the left end and heated, it will ___________________________ A: bend downward B: bend upward C: remain straight, while stretching its length

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