Three Positive and Equal Charges Q1, Q2, and Q3 Are

question 75

Multiple Choice

Three positive and equal charges Q1, Q2, and Q3 are at the corners of an equilateral triangle as shown. Point P is at the midpoint of the line between Q1 and Q3. The electric field at P is

• A) zero.
• B) not zero and is directed along the line from P to Q3.
• C) not zero and is directed along the line from P to Q2.
• D) not zero and is directed along the line from Q1 to Q2.
• E) None of these is correct.

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Smith v. Allwright

A landmark 1944 United States Supreme Court decision that prohibited racial discrimination in primary elections.