Multiple Choice
A certain material is in a room at 27°C.If the absolute temperature (K) of the material is tripled,its resistance quadruples.(Water freezes at 273 K. ) What is the value for α,the temperature coefficient of resistivity?
A) 0.0050 (°C) −1
B) 0.0025 (°C) −1
C) 1 (°C) −1
D) 3 (°C) −1
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q21: An RC circuit with resistance R<sub>0</sub> and
Q44: If ε = 9.0 V,what is the
Q45: In the circuit segment shown if I
Q46: Wire A and Wire B are each
Q47: The resistance of a platinum wire is
Q50: The following three appliances are connected to
Q51: A metallic conductor has a resistivity of
Q52: What is the current flowing through the
Q53: You measure a 20.0-V potential difference across
Q54: If a lamp has resistance of 120