Three charges, q1=-10 μC,q2=4 μC and q3=10 μC are aligned vertically, 6 cm apart. Point P is located 8 cm directly to the right of q2. 1.) Find the electric field contribution from q1 on point P. A. -9 MN/C                C. -14.0625 MN/C B. -25 MN/C              D. -12 MN/C 2.) Find the electric field contribution from q2 on point P. A. 5.625 MN/C           C. 14.06 MN/C B. 3.6 MN/C                D. 10 MN/C 3.) Find the electric field contribution from q3 at point P. A. 12 MN/C                 C. 9 MN/C B. 25 MN/C                 D. 14.0625 MN/C 4.) Find the magnitude of the net electric field at point P due to all three charges. A. 23.625 MN/C         C. 5.625 MN/C B. 21.6 MN/C              D. 12.18 MN/C

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.