In a certain material there is a current of 18 A flowing through a surface to the right, and there is an equal amount of positive and negative charge passing through the surface producing the current. How much negative charge passes through the surface?
a. 9 C/s toward the right
b. 9 C/s toward the left
c. 18 C/s toward the right
d. 18 C/s toward the left
e. 36 C/s toward the left
b
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If the Moon was twice as far away from the Earth as it is currently what would happen to total solar eclipses?
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