What rms current flows in a 60-mH inductor when 120-V rms ac at a frequency of 20 kHz is applied to it?
A) 8.0 mA
B) 16 mA
C) 24 mA
D) 32 mA
B
Physics & Space Science
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The stars of highest photospheric temperature are those of spectral class ______________
Fill in the blank(s) with correct word
Physics & Space Science
The bob of a simple pendulum is 0.50 m above the floor at its lowest position. Calculate the maximum speed of the bob when it is held at a maximum height of 2.5 m and released
Physics & Space Science
A voltage regulator compensates for changes in
a. temperature. b. the load conditions. c. the input voltage. d. All of the above.
Physics & Space Science
At the center of the Sun, nuclear fusion converts hydrogen into
A) radiation and elements such as carbon and nitrogen. B) helium, gamma rays, and neutrinos. C) hydrogen compounds such as methane. D) radioactive elements such as uranium and plutonium. E) molecular hydrogen.
Physics & Space Science