Recent content by gallib

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    Electric potential in relation to electric field problem

    Homework Statement The electric potential in a region of uniform electric field is -1000 V at x = -0.900 m and + 1400 V at x = + 2.00 m. What is E_{x} ? Homework Equations e=kq1q1/r^2 v= integral of E dot ds v=ed The Attempt at a Solution i am thinking i will use the...
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    What is the excess charge on the surface of the earth?

    Ah..thank you.
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    What is the excess charge on the surface of the earth?

    Homework Statement The Earth has a vertical electric field at the surface, pointing down, that averages 117 N/C. This field is maintained by various atmospheric processes, including lightning. What is the excess charge on the surface of the earth? Homework Equations E=ke*Q/r^2...