The Rankine temperature scale has Fahrenheit degrees and a zero point at absolute zero. What is the Fahrenheit temperature of 62 Rankine?
a. 397.7 F
b. 111.6 F
c. 211.2 F
d. 238.7 F
[Ques. 2] Suppose two equipotential surfaces are the planes x = 3 m and x = 5 m. If the potential at the x = 3 m surface is 10 V and the potential at the x = 5 m surface is 50 V, what is the magnitude of the electric field between the two surfaces?
a. 40 N/C b. 20 N/C
c. 15 N/C d. 10 N/C
[Ques. 3] Arrange the temperatures 40 F, 40 C, and 40 K from highest to lowest.
a. 40 F, 40 C, 40 K b. 40 C, 40 K, 40 F
c. 40 F, 40 K, 40 C d. 40 C, 40 F, 40 K
[Ques. 4] If the plane x = 4 m is an equipotential surface, in which of the following directions can the electric field be in the region immediately adjacent to this plane?
a. the positive y direction
b. both the positive and negative z directions
c. the positive x direction
d. more than one of these choices
[Ques. 5] Which of the following properties can be used to measure temperature?
a. the color of a glowing object
b. the length of a solid
c. the volume of gas held at constant pressure
d. all of the above
[Ques. 6] A solid metal sphere of radius r is inside a metal concentric spherical shell of inner radius 2r and outer radius 3r. A charge is place on the solid metal sphere and it is found that the potential at its surface is V1 (at r) and that the potential at the outer surface of the spherical shell is V3 (at 3r). In terms of V1 and V3, what is the potential at the inner surface of the metal shell (at 2r)?
a. 3V1/2 b. V3
c. V1
d. 2V3/2
[Ques. 7] A temperature of 100 K equals which of the following?
a. 373C
b. 173C
c. 279F
d. 279F
e. 639F
[Ques. 8] A solid conducting sphere of 10-cm radius has a net charge of 18 nC. If the potential at infinity is taken as zero, what is the potential at the center of the sphere?
a. 2.1 V
b. 16 V
c. 1.6 103 V
d. >1.6 104 V
e. 13 V
[Ques. 9] Carbon dioxide forms into a solid (dry ice) at approximately 157F. What temperature in degrees Celsius does this correspond to?
a. 157C
b. 93C
c. 121C
d. 105C
[Ques. 10] When charges qa, qb, and qc are placed respectively at the corners a, b, and c of a right triangle, the potential at the midpoint of the hypotenuse is 24 V. When the charge qa is removed, the potential at the midpoint becomes 17 V. When, instead, the charge qb is removed (qa and qc both in place), the potential at the midpoint becomes 13 V. What is the potential at the midpoint if both charges qa and qc are removed?
a. 11 V
b. 7.0 V
c. 6.0 V
d. 18 V
e. 17 V
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