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HW_5_Assignment

# HW_5_Assignment - HW 5 due online 1 AM Wednesday February 2...

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HW 5 due online 1 AM, Wednesday, February 2 24-2 The electric potential difference between the ground and a cloud in a particular thunderstorm is 6.9 x 10 9 V. What is the magnitude of the change in the electric potential energy (in eV) of an electron that moves between the ground and the cloud? 24-4 Two large, parallel, conducting plates are 13 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 3.2 x 10 -15 N acts on an electron placed anywhere between the two plates. (Neglect fringing.) (a) Find the electric field (in N/C) at the position of the electron. (b) What is the potential difference in volts between the plates? 24-9 An in finite, nonconducting sheet has a surface charge density σ = +6.32 pC/m 2 . (a) How much work is done by the electric field due to the sheet if a particle of charge q 0 = 6.41 x 10 -19 C is moved from the sheet to a point P at distance d = 4.86 cm from the sheet? (b) If the electric potential V is defined to be zero on the sheet, what is V at P?

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