Points A, B, and C are at the vertices of an equilateral triangle. A certain positive charge q placed at A produces an electric field of magnitude 189 N/C at C. Suppose a second, identical charge is placed at B. What is the magnitude of the new electric field at C.

A 6 µC charge q1 located at the origin cm creates an electric field that fills all of space. A -8 µC charge q2 is brought to the point cm. The 6 µC charge is returned but now the -8 µC charge is moved to cm. What is the new net force extered on q2? Answer as a vector in Newtons.

A +2.3 C charge is placed on the x-axis at ×=+2 m, and a -5.7 C charge is placed on they-axis at y = +4 m. What is the magnitude of the net electric field at the origin? What is the direction of the net electric field? Give your answer as a positive angle between 0° and 360°. If a +5 C charge is placed at the origin, what is the magnitude of the net electric force on the charge? What is the direction of the net force? Give your answer as a positive angle between 0° and 360°

A positive charge of magnitude Q1 = 0.45 nC is located at the origin. A negative charge Q2 = -6.5 nC is located on the positive x-axis at x = 4.5 cm from the origin. The point P is located y = 5.5 cm above charge Q2.  Part (a)  Calculate the x-component of the electric field at point P due to charge Q1. Write your answer in units of N/C.  Part (b)  Calculate the y-component of the electric field at point P due to charge Q1. Write your answer in units of N/C.  Part (c)  Calculate the y-component of the electric field at point P due to the Charge Q2. Write your answer in units of N/C.   Part (d)  Calculate the y-component of the electric field at point P due to both charges. Write your answer in units of N/C.  Part (e)  Calculate the magnitude of the electric field at point P due to both charges. Write your answer in units of N/C.   Part (f)  Calculate the angle in degrees of the electric field at point P relative to the positive x-axis.

Consider three charges q1 = 6.3 µC, q2 = 0.8 µC, and q3 = -2.3 µC, arranged as shown below.   (a) What is the electric field at a point 1.0 cm to the left of the middle charge? N/C to the right or left(b) What is the magnitude of the force on a 2.2 µC charge placed at this point?       N

Points A, B, and C are at the vertices of an equilateral triangle. A certain positive charge q placed at A produces an electric field of magnitude 623 N/C at C. Suppose a second, identical charge is placed at B. What is the magnitude of the new electric field at C?

part A) A dipole is formed by separating a +200 nC and -200 nC charge a distance of 30 mm. Determine the magnitude of the electric field at a distance of 12 meters measured perpendicularly from the midpoint between the charges. Express your answer in N/C. part B) The electric field at point P is 5.9 x 1020 N/C @ 241o. What is the angle of the force experienced by a electron if it is placed at point P. Express your answer in degrees.