The most important force between a proton and a neutron is the ______________ force
a. strong nuclear
b. quark
c. electromagnetic
d. gravitational
a
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Neutron stars are the densest objects that we can observe in the universe
Indicate whether the statement is true or false
Ohm's Law: For the graph shown in the figure, what physical quantity does the slope of the graph represent for ohmic material?
A. current B. resistivity C. 1/(current) D. power E. 1/(resistivity)
The force that holds atoms together to form molecules is
1) electric, 2) magnetic, 3) gravitational, 4) nuclear, and the force that holds the protons in a nucleus together is 5) electric. 6) magnetic. 7) gravitational. 8) nuclear.
Consider a point charge and an imaginary spherical surface surrounding it. Which of the following situations would bring about a change in the electrical flux through the surface
A. Exchanging the spherical surface for a cylindrical surface that still contains the original point charge B. Bringing a second point charge nearby, but outside the surface C. Moving the point charge to a point not in the center of the spherical surface D. Bringing a second point charge nearby, and within the surface