In a paramagnetic material if a large magnetic filed is first applied and then reduced to zero, the intensity of magnetization is then equal to _________.
Fill in the blank(s) with the appropriate word(s).
zero
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The graph in the figure shows the electric field strength (not the field lines) as a function of distance from the center for a pair of concentric uniformly charged spheres
Which of the following situations could the graph plausibly represent? (There may be more than one correct choice.) A) a positively charged conducting sphere within another positively charged conducting sphere B) a positively charged conducting sphere within an uncharged conducting sphere C) a solid nonconducting sphere, uniformly charged throughout its volume, inside of a positively charged conducting sphere D) a positively charged nonconducting thin-walled spherical shell inside of a positively charged conducting sphere E) a positively charged nonconducting thin-walled spherical shell inside of another positively charged nonconducting thin-walled spherical shell
Mutual inductance can depend upon
A) the shape of the coils. B) the number of coils. C) the number of turns. D) the relative position of the coils. E) all of the above as well as other factors.
Most of the light we see coming from the Sun originates in the ____________________
Fill in the blank(s) with correct word
An object is placed a distance d from a converging lens. The object is then moved to a distance 2d from the converging lens. Which of the following statements is false?
a. The image in the second case with the object at distance 2d can be the larger one. b. If both images are real, the image in the second case is smaller. c. If the image in the first case is real, the image in the second case is upright. d. The image in the first case with the object at distance d can be the larger one.