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1. A straight wire AB of length 40 cm is charged 20 µC. Both ends wires A and B are located
at coordinates A (-40.0) and B (0.0). Point P is at 30 cm above point B (0.30). Determine:
a. Electric field at P due to charged straight wire.
b. Electric force experienced by Q = +10-7C when it is located at P.
30 ст
40 сm

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