A 60.0-Hz AC generator with a peak voltage of 110 V drives a series RL circuit with R = 10.0 ? and L = 10.0 mH. The power factor, cos ?, is
a. ?1.00.
b. ?0.936.
c. +0.943.
d. +0.936.
e. +1.00.
d
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Indicate whether the statement is true or false
When resistors are connected in series
A) the same power is dissipated in each one. B) the potential difference across each is the same. C) the current flowing in each is the same. D) the total effective resistance is reduced.
After World War II, the U.S. Government spent two decades investigating UFOs because they
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