QUIZ XIII The ELECTRIC FIELD Consider the following source charge distribution a b c a b c Determine the net ELECTRIC FIELD magnitude and direction at position a 0 0 6 Determine the net ELECTROSTATIC FORCE magnitude and direction on a test charge q0 e located at FIELD POSITION a Determine the net ELECTROSTATIC FORCE magnitude and direction on a test charge q0 e located at FIELD POSITION a 2 2 SOLUTION KEY CONCEPTS RELATIONSHIPS LAWS SOURCE CHARGE DISTRIBUTION FIELD POINT ELECTRIC FIELD The SUPERPOSITION THEOREM Denote SOURCE CHARGES Q1 2e at s 0 Q2 e at 0 s Q3 2e at s 0 then By Superposition E E1 E2 E3 where E1 k 2e s2 ux E2 ke s2 uy and E3 k 2e s2 ux yielding E ke s2 uy 1 60x1010 N C uy F0 q0 E where for q0 e F0 2 56x10 9 N uy F0 q0 E where for q0 e F0 2 56x10 9 N uy
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