An electron-volt is the energy required to move an electron through a potential difference of one volt. Because of the connection between mass and energy, an electron-volt can also be regarded as a unit of mass.
What is the equivalent to an electron-volt in kilograms? The charge on an electron is 1.602 10-19 C.
Question 2
What is the power factor of an RLC series circuit with an inductive reactance of 174 , a capacitive reactance of 60 and a resistance of 100 ?
A) 0.29
B) 0.46
C) 0.56
D) 0.66
E) 0.76
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