A galvanometer has a coil with a resistance of 24.0 ?. A current of 180 ?A causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for 10.0 A, what shunt resistor is required?
A)
123 ??
B)
234 ??
C)
342 ??
D)
432 ??
E)
423 ??
D
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Star streams that are seen around the Milky Way Galaxy are probably the result of:
A) stars ejected from the Galaxy by gravitational encounters with the central black hole. B) tidal interactions with satellite galaxies. C) a collision with a large galaxy in the distant past. D) stars being pulled from the Andromeda Galaxy. E) spiral density waves.
________ is the concept that all large samples of the universe are alike in appearance anywhere in the universe
Fill in the blank(s) with correct word
A person gazes at a very distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will see
A) a series of bright spots. B) the same thing as without the fingers, but dimmer. C) a hazy band of light varying from red at one side to blue or violet at the other. D) a sequence of closely spaced bright lines.
A liquid cannot be heated simultaneously by conduction, convection, and radiation
Indicate whether the statement is true or false