Three 250 μC Charges Are Placed on Tiny Conducting Spheres at at the Ends

question 6

Multiple Choice

Three 2.50 μC charges are placed on tiny conducting spheres at the ends of 1.00 m-long strings that are connected at 120° angles as shown below. The magnitude, in N, of the force on any one of the charges is

• A) 1.88 × 10−².
• B) 3.25 × 10−².
• C) 3.73 × 10−².
• D) 6.50 × 10−².
• E) 7.50 × 10−².

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