Which factor indicates the amount of charge on the source charge
a
the number of field lines on the test charge
b.
the number of field lines on the source charge
c.
the direction of lines on the source charge
d. the direction of lines on the test charge
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Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Identify the type of synthetic material used in each object

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.