What is the self-inductance in a coil that experiences a 3.0-V induced emf when the current is changing at a rate of 37 A/s?
a. 81 mH
c. 27 mH
b. 37 mH
d. 45 mH
A
Physics & Space Science
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Most pulsars emit
A) visible light. B) gamma rays. C) X-rays. D) radio waves. E) nothing.
Physics & Space Science
Almost all of the gas and dust in the Milky Way is located in the ____
a. halo b. central bulge c. disk d. corona e. center
Physics & Space Science
Compared with the current in the primary coil of a transformer, the current in the secondary coil
A) is greater. B) is less. C) can be greater or less. D) none of the above
Physics & Space Science
Viscosity: Glycerin, with a viscosity of 1.5 N ? s/m2, is flowing with an average speed of 1.2 m/s through a tube that has a radius of 5.0 mm and is 25 cm long. What is the drop in pressure over the length of this pipe?
A. 140 kPa B. 46 kPa C. 72 kPa D. 76 kPa E. 130 kPa
Physics & Space Science