What capacitance is needed in series with a 3.7-mH inductor so the circuit will oscillate at a frequency of 1000 Hz?

A) 0.15 mF
B) 15 ?F
C) 6.8 ?F
D) 0.015 ?F


C

Physics & Space Science

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As a parcel of air at high altitude sinks to a lower elevation with no heat input or output, its temperature

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What is a central dominant galaxy?

A) a galaxy around which many other smaller galaxies orbit B) a giant spiral galaxy that exerts large tidal forces on other nearby galaxies C) a spiral galaxy from which many smaller galaxies form when it is stripped apart by tidal forces D) a giant elliptical galaxy at the center of a dense cluster E) a hypothesized galaxy type that no longer exists but once dominated the structure of the universe

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The rate of heat loss of a planet is proportional to its _______________, thus the smaller the world, the faster it is for heat to escape

Fill in the blank(s) with correct word

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Which of the following units is used to express atmospheric pressure?

a. Torr only b. Millibar only c. Inches of Hg only d. All of these

Physics & Space Science