The energy levels of an element and its ions are the same
Indicate whether the statement is true or false
FALSE
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If a 0.20 pF capacitor has a voltage of 40 mV, how many more electrons are on the negative plate than on the positive plate?
a. 
b. 
c. 
d. 
e. none, the electrons are in equal numbers on the plates
Transformers: The secondary coil of an ideal neon sign transformer provides 7500 V at 10.0 mA. The primary coil operates on 120 V. What current does the primary draw?
A. 0.625 A B. 0.625 mA C. 0.160 A D. 1.66 A
Comparing the following 4 models, which model predicts that galaxies had the largest separations in the past? (Use the graph of expansion models as a guide.)
A) accelerating B) coasting C) critical D) recollapsing
Which of the following is a unit of power?
a. Btu b. kilowatt c. kilowatt-hour d. joule e. horsepower per hour