As more resistors are added in parallel to a constant voltage source, the power supplied by the source
A) increases.
B) decreases.
C) does not change.
D) increases for a time and then starts to decrease.
A
Physics & Space Science
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Earth spins completely upright like a giant top
a. True b. False Indicate whether the statement is true or false
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What observations characterize solar maximum?
A) There are many sunspots visible on the surface of the Sun. B) The Sun rotates faster at its poles. C) The Sun becomes much brighter. D) The Sun emits light of longer average wavelength. E) all of the above
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In times of economic difficulty, people are often willing to pay short-term costs in order to obtain a benefit in the long term.
a. true b. false
Physics & Space Science
The mass of 6 million atoms of a diatomic gas is 
What is the atomic mass of this gas?
A. 25.5 u B. 51.0 u C. 2.55 u D. 5.10 u
Physics & Space Science