Date: 8. 10.13'm .3m the origin. (-7.10 Name: Date: 8. • Zm 10.13'm Use the charges shown: 91 = 5 µC 92 = -7µC %3D .3m 1. Find the value of the electric potential at the origin. (5.10t3 (-2.10y Kai VD ar t. = r8,99103|4 kaz =(6,99:10 0,2 03 0.7 '27 =14983= 15000 V 0.2 15000 V .2 Find the electric field at the origin. Draw the electric field vector at the origin on the figure. (6.99.10>2)=1,12.10° (0.2))-1.1 7.156 0.3)" 4. 7806 .,12X10 (8.99.10")( ==69927 orlt od 1.32XW 3. What would be the force on q3 = -3 uC if it were placed at the origin? %3D -2.1i +336 5 3.96 so 4. What would bc the potential energy of q3 = -3 µC at the origin? %3D

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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.