A Charge of 5

question 77

Multiple Choice

A charge of 5.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm) , and a second charge of −2.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm) . Determine the magnitude of the electric field 3.0 cm from the center of the two surfaces.

• A) 30 N/C
• B) 50 N/C
• C) 40 N/C
• D) 20 N/C
• E) 70 N/C

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