Two identical point charges of +6 nC are fixed at the ends of a straight insulating rod

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

Two identical point charges of +6 nC are fixed at the ends of a straight insulating rod. The electric potential measured exactly at the midpoint of the rod is 900 V. Calculate the separation between the charges. (a) 12 cm12\ \text{cm} (b) 48 cm48\ \text{cm} (c) 24 cm24\ \text{cm} (d) 6 cm6\ \text{cm}

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