A bimetallic strip is usable as a thermometer because of
a. heat conduction.
b. heat convection.
c. heat radiation.
d. thermal expansion.
e. none of the above.
d
Physics & Space Science
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Voltage is most similar to
A) pressure. B) current. C) resistance. D) all of the above E) none of the above
Physics & Space Science
What type of bond is(are) individually weakest?
a. hydrogen b. ionic c. covalent d. Hydrogen and covalent are equally weak. e. Ionic and covalent are both weaker than hydrogen.
Physics & Space Science
A 110-V hair dryer is rated at 1200 W. What current will it draw?
A) 0.090 A B) 1.0 A C) 5.0 A D) 11 A E) 12 A
Physics & Space Science
The "R-value" of material is not related to its ________
a. composition b. area c. thickness d. resistance to heat flow
Physics & Space Science