The electric field 10 cm away from an isolated point charge

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The electric field 10 cm away from an isolated point charge is E = 100 V/m. The electric field 20 cm away from this same charge is a. 25 V/m b. 200 V/m c. 100 V/m d. 400 V/m e. 50 V/m

Reference no: EM13618739

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