The algebraic sum of charges on three isolated metallic spheres A, B and C is

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

Problem

The algebraic sum of charges on three isolated metallic spheres A, B and C is +15 nC+15\,\text{nC}. If sphere A carries −4 nC-4\,\text{nC} and sphere B carries +9 nC+9\,\text{nC}, the charge on sphere C is (a) +6 nC+6\,\text{nC} (b) +10 nC+10\,\text{nC} (c) −10 nC-10\,\text{nC} (d) +2 nC+2\,\text{nC}

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