Asked Sep 9, 2019

Charge in an Electric Field: If a point charge of -30 µC experiences an electrostatic upward force of 27 mN at a certain location in the laboratory, what are the magnitude and direction of the electric field at that location?


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The equation for the magnitude of the electrostatic force experienced by a point charge is given by F qE Here, Fis the electrostatic force, q is the magnitude of the charge and E is the magnitude of the electric field Rewrite the above equation for E F E - q Substitute the numerical values in the equation 27x103 N E = 30x10 C = 900 N/C


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