An electrically neutral atom does not have a net charge
Indicate whether the statement is true or false
TRUE
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Heat is thermal energy that flows from
A) hot to cold. B) high energy to low energy. C) high thermal pressure to low thermal pressure. D) all of the above
An ideal ammeter is one that does not change the behavior of a circuit when it is properly used to measure current. The internal resistance of such a meter is
A) infinite. B) dependent on the circuit. C) 0 ?. D) the same resistance as the circuit. E) cannot be determined
Two identical containers, A and B, hold equal amounts of the same ideal gas at the same Po, Vo and To. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?
a. TA = 0.5TB = To. b. TB = 0.5TA = To. c. TB = TA = To. d. TA = 2TB = To. e. TB = 2TA = To.
Which of the following is the most common web audio format?
A. .Au B. .wav C. .ogg D. .mp3