A positively charged particle is released from rest in a uniform electric field. Which statement regarding the electron is correct?
a. The particle's kinetic energy increases.
b. The particle's total energy increases.
c. The electric potential at the particle's location increases.
d. The particle's associated electric potential energy increases.
e. None of the statements are correct.
a
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One phenomenon or experiment that supports the wave theory of matter is
A) the Michelson-Morley experiment. B) the tiny flashes that are observed when a light beam strikes a screen. C) interference effects with light. D) the tiny flashes that are observed when an electron beam strikes a screen. E) the double-slit experiment with electrons.
An ideal transformer supplies 100 kW of power to a 120 V circuit. If the input voltage is 10,000 V, what is the input current?
A. 1.20 mA B. 10.0 A C. 120 A D. 240 A E. 830 A
If the Moon is setting at 6 A.M., the phase of the Moon must be
A) first quarter. B) third quarter. C) full. D) new. E) waning crescent.
Consider two cylinders of gas identical in all respects except that one contains O2 and the other He. Both hold the same volume of gas at STP and are closed by a movable piston at one end
Both gases are now compressed adiabatically to one-third their original volume. Which gas will show the greater pressure increase? A) the O2 B) the He C) neither; both will show the same increase D) impossible to tell from the information given