a) What is the magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μµC? b) A charge q₁ = 9.00

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a) What is the magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μµC? b) A charge q₁ = 9.00 µC is located at the origin of the x-axis. A second charge q2 = -15.00 μC is also on the x-axis 4.00 m from the origin in the positive x direction. At what point on the x-axis is the resultant electric field. zero? In the circuit below, calculate: c) the current flowing from the voltage source. d) the potential difference across the 1.000 e) the current flowing through the 2.000 resistor. 5.00 2 12.00 Ω 4.00 2 1.00 2 - 10.0 Ω 12.0 V