1. A rubber balloon is given a charge measured to be 7.8±0.1 pC. Which of the following procedures could create that cha

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1 A Rubber Balloon Is Given A Charge Measured To Be 7 8 0 1 Pc Which Of The Following Procedures Could Create That Cha 1 (56.98 KiB) Viewed 50 times

1. A rubber balloon is given a charge measured to be 7.8±0.1 pC. Which of the following procedures could create that charge? A) Add 1.25 x 10' protons and electrons to it B) Remove 1.47 x 10' protons from it C) Remove 2.13 x 107 electrons from it D) Add 5.36 x 107 electrons to E) Add 4.85 x 10' protons to it F) Remove 1.25 x 10' protons and electrons from it 2. In the figure below, where Q1-5 nC, Q2=-5 nC, Q3-5 nC. What is the electric potential at = point A? A) 2000 V B) 2100 V C) 3100 V D) 3300 V E) 4300 V Q1 B) 1500 V/m C) 2000 V/m D) 2500 V/m E) 3000 V/m 4.0 cm Q3 2.0 cm Q2 3. A region of space contains a uniform electric field. The electrical potential in this region is -3000 V at x = -1.0 m and 3000 V at x = 1.0 m. What is E,? A) 1000 V/m 4. An otherwise empty region of space contains a point charge of 1 µC. What is the magnitude (strength) of the electric field 1.41 cm from this charge? A) 0.6 x 10' N/C B) 1.1 x 107 N/C C) 2.3 x 10' N/C D) 4.5 x 10¹ N/C E) 9.0 x 10' N/C