Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.)
A) a decrease in the plate area and an increase in the plate separation
B) a decrease in the potential difference between the plates
C) an increase in the potential difference between the plates
D) an increase in the plate area and a decrease in the plate separation
E) an increase in the charge on the plates
D
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Compared to the density of water, our Earth averages about
A) the same density, similar to Saturn. B) 3 times denser, much like our Moon. C) 4 times denser, similar to Mars. D) 5 times denser, like the Mercury and Venus. E) 10 times denser, due to our core of iron and nickel.
The pressure in a gas is the result of the momentum transfer that occurs when the molecules bounce from the walls of the container
Indicate whether the statement is true or false
One light year is about 10 trillion kilometers
Indicate whether the statement is true or false
Which of these are units of measure?
a. time b. energy c. seconds d. kilometers e. volume