_________is the increase in conductivity that results when photons excite electrons in a semiconductor or insulator into the conduction band.
Fill in the blank(s) with the appropriate word(s).
Photoconductivity
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Based on current evidence concerning the amount of deuterium in the universe, we can conclude that
A) ordinary (baryonic) matter makes up most of the mass of the universe. B) neutrons greatly outnumber protons in the universe. C) most of the deuterium that was created during the era of nucleosynthesis has since been destroyed. D) the density of ordinary (baryonic) matter is between 1 percent and 10 percent of the critical density. E) we live in a critical-density universe.
The Tully-Fisher relation uses the ________ of the spiral to find its luminosity
Fill in the blank(s) with correct word
In a certain particle accelerator, a proton reaches an acceleration of 9.0 × 1013 m/s2. The mass of a proton is 1.67 × 10-27 kg. What is the force on the proton?
What will be an ideal response?
Power may be expressed as _____________ times resistance
Fill in the blank(s) with correct word