Question 25 A +5.0-μC point charge is placed at the 0 cm mark of a meter stick and a -4.0-µC charge is placed at the 50 cm mark. What is the magnitude of net electric field at the 30 cm mark? (k = 1/4m²O = 8.99 x 10⁹ N-m²/C²). 9.0 × 105 N/C O 1.4 x 106 N/C O 5.0 × 105 N/C 2 pts 4.0 × 105 N/C O none of the given choices Question 24 Four point charges Q of equal magnitude and sign are arranged on three of the corners of the square of side d as shown in the figure Which one of the arrows shown represents the net force acting on the charge at the upper right hand corner of the square? +Q none of the given choices OC B 2 pts OA
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!