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Author Question: What are the disadvantages of using a water-in-glass thermometer to measure outside air ... (Read 177 times)

ss2343

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on: Jul 28, 2018
What are the disadvantages of using a water-in-glass thermometer to measure outside air temperature?

Question 2

Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. What is the ratio of the cross-sectional area of A to that of B?
  1.3
  2.3
  3.1
  4.1/3
  5.1/3


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jaymee143

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Reply #1 on: Jul 28, 2018
Answer to Question 1

The major disadvantage is that water exists only between 0 and 100C so it might
freeze or boil in the thermometer.

Answer to Question 2

5


ss2343

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

kusterl

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Reply 3 on: Yesterday
Wow, this really help

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