A uniform 1.5-T magnetic field passes perpendicularly through the plane of a wire loop 0.30 m2 in area. What flux passes through the loop?
a. 0.135 T×m2
c. 0.45 T×m2
b. 5.0 T×m2
d. 0.25 T×m2
C
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Consider the two surfaces shown below. They are both immersed in a uniform vertical electric field. (The tile vectors shown are for a typical tile on each surface.) For which surface is the value of
larger?
A. The horizontal surface. B. The tilted surface. C. The value is the same nonzero number for both. D. The value is zero for both surfaces. E. One cannot compare the values from what is given.
The observable ________ is a thin layer in which the solar material becomes suddenly much more opaque as we look deeper into the Sun
Fill in the blank(s) with correct word
Which of the following ions is not isoelectronic with the other three?
a. Cl- b. K+ c. Br- d. P3-
At peak brightness, the white dwarf supernova is approximately ________ times as luminous as the massive star supernova at peak brightness.
A) 1.5 B) 3 C) 10 D) 100