A power line with a resistance of 2 ohms carries a current of 80 A. The power dissipated in the line is
A) 40 W.
B) 160 W.
C) 320 W.
D) 12,800 W.
E) none of the above
Answer: D
Physics & Space Science
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Fill in the blank(s) with correct word
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A guarded hot plate test results in the following data:
Estimate the thermal conductivity of the test material.
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Which of these particles has the least mass?
a. electron neutrino c. electron b. muon d. pion
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In a He-Ne laser, the actual emission line at 632.8 nm comes from a jump down in what atom(s)?
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