At a Distance of 10 M from a Light Bulb

question 63

Multiple Choice

At a distance of 10 m from a light bulb, the rms value of the electric field is 16 V/m. What is the rms value of the electric field at a distance of 20 m from the light bulb?

• A) 32 V/m
• B) 16 V/m
• C) 8.0 V/m
• D) 4.0 V/m
• E) 2.0 V/m

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