An initially uncharged hollow metallic sphere with radius of 5 cm has a small object with a charge of -10 µC carefully placed at the center of the sphere through a hole in the latter's surface. What charge resides inner surface of the sphere?
a. -10 µC
c. +10 µC
b. zero
d. -4000 µC
C
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Answer the following statement(s) true (T) or false (F)
1. The function 
.
Starting from rest, an electron accelerates through a potential difference of 51.6 V. What is its de Broglie wavelength? (h = 6.63 × 10^?34 J?s, me = 9.11 × 10^?31 kg, and 1 eV = 1.60 × 10^?19 J)
a. 4.4E+13 m b. 2.4E–10 m c. 1.7E–10 m d. 1.1E–24 m e. 2.6E–11 m
Who demonstrated that when heat is gained or lost by a system during some process, the gain or loss can be accounted for by an equivalent quantity of mechanical work done on the system?
a. Joule b. Boltzmann c. Thompson, Count Rumford d. Kelvin
A segment of wire carries a current of 25 A along the x axis from x = ?2.0 m to x = 0 and then along the y axis from y = 0 to y = 3.0 m. In this region of space, the magnetic field is equal to 40 mT in the positive z direction. What is the magnitude of the force on this segment of wire?
a. 2.0 N b. 5.0 N c. 1.0 N d. 3.6 N e. 3.0 N