If the temperature of a wire increases, its resistance __________
Fill in the blank(s) with correct word
increases
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Consider a two-slit interference experiment like the one shown in figure Q3.7b. The distance between adjacent bright spots in the interference pattern on the screen (A) increases, (B) decreases, or (C) remains the same if, The distance between the slits and the screen increases.
A. increases B. decreases C. remains the same
What is an emission nebula?
A. a region of ionized gas around hot O or B type stars B. a region of gas around cool K or M type stars C. a gas cloud in globular clusters D. a region of gas around black holes
An ac signal at a certain frequency is applied across a 40-mH inductor and a 100-? resistor. If the power factor of this circuit is 0.40, what is the value of the frequency?
A) 160 Hz B) 200 Hz C) 410 Hz D) 600 Hz E) 910 Hz
"Unless you look outside, you cannot tell how fast you are going." This is one way of stating
A) the relativity of space. B) the relativity of time. C) the principle of the constancy of lightspeed. D) Galileo's theory of relativity. E) the principle of relativity.