C. 2.4x105 N/C D. 8.2x105 N/C 25. Three positive charges are fixed as shown in the diagram. Calculate the net electric force on Q2 due to and Q1 Q3. Magnitude of Force Direction of Force A 3.1 N Left B 3.1 N Right C 5.9 N Left D 5.9 N Right 26. Which diagram shows the electric field near a negative point charge? 27. The magnitude of the net electric field at P in the diagram below is 5.0 x 103 N/C. Find the magnitude of charge Q2. A. 1.0x10-6 C B. 3.0x10-6 C C. 6.4x10-6 C D. 1.0x10-5 C Written 1. A -4.2 µC charge is placed between two stationary charges, Q1 and Q2 , as shown. What is the magnitude and direction of the net force on the -4.2 µC charge due to the two stationary charges? (7 marks) 2. Calculate the net electric field (magnitude and direction) at point P due to the two point charges shown in the diagram. (7 marks)
C. 2.4x105 N/C D. 8.2x105 N/C 25. Three positive charges are fixed as shown in the diagram. Calculate the net electric force on Q2 due to Q1 and Q3. Magnitude of Force Direction of Force A 3.1 N Left B 3.1 N Right C 5.9 N Left D 5.9 N Right 26. Which diagram shows the electric field near a negative point charge? 27. The magnitude of the net electric field at P in the diagram below is 5.0 x 103 N/C. Find the magnitude of charge Q2. A. 1.0x10-6 C B. 3.0x10-6 C C. 6.4x10-6 C D. 1.0x10-5 C Written 1. A -4.2 µC charge is placed between two stationary charges, Q1 and Q2 , as shown. What is the magnitude and direction of the net force on the -4.2 µC charge due to the two stationary charges? (7 marks) 2. Calculate the net electric field (magnitude and direction) at point P due to the two point charges shown in the diagram. (7 marks)
ph_12_5_electrostatics_review.docx