A point charge q1=8.0 nC is at the origin and another point charge q2=12.0 nC is on the x-axis at x=4.0 m. Find the electric field at (x=0, y=3.0 m).  Express all numerical values in THREE significant figures. Calculate the electric field component due to each point charge. Fill out the table below. Express all numerical values in THREE significant figures. Do not forget to include the sign if the value is negative.    Ex(N/C) Ey(N/C) electric field due to charge 1 E1     electric field due to charge 2 E2     net electric field     From the components of the net electric field, we can calculate its magnitude using Pythagorean theorem. Thus the value of the net electric field magnitude is _____________.

In a rectangular coordinate system a positive point charge q = 6.00 x 10-9 C is placed at the point x = +0.150m, y = 0, and an identical point charge is placed at x = -0.150m, y = 0. Find the x- and y-components, the magnitude, and the direction of the electric field at x = 0.300 m, y = 0.  (with precise solution please) A. Ex = 129N/C and Ey = -510N/C with direction of 284 degrees counterclockwise from +x axis B. Ex = 2663.1 N/C and Ey = 0 to the +x direction C. Ex = 0 and Ey = 0 D. none of the above

At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 392 N/C. At a distance r2 from the charge, the field has a magnitude of 109 N/C. Find the ratio r2/r1.

A circular metal plate of radius 17.2 cm carries a total charge of 1.01 μC and the charge is distributed uniformly over the surface of the plate. Determine the surface charge density on the plate and report your answer in µC/m².

A circular ring of radius 27 cm and total charge 600 μC is centered at the origin as shown in the figure below. If the charge is distributed uniformly around the ring, what is the electric field at the origin? (Enter the magnitude of the electric field.) N/C y B x

y A Point Charge Q₁ = -0.1 μC is located at the origin. A. Find the Electric Field (magnitude and direction) at point P located at x = 8 m and y = 6 m. B. Find the value of Point Charge Q₂ located at x = 8 m and y = 0 m and Point Charge Q3 located at x = 0 m and y = 6 m that will cause the Electric Field to be zero at point P. C. Given Point Charges Q₁, Q2 and Q3 as determined above, Find the Electrostatic Potential at point P.

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 311 N/C at C. Suppose a second, identical charge is placed at B. What is the magnitude of the new electric field at C?

Imagine you have four identical charge q, placed on the corners of a square. If q = 17.37 nC, then the side of the square is s = 7.2 cm, calculate the magnitude of the electric field acting on the charge at the upper right corner. NOTE: Final answer in SIX decimal places. Then, state the SI unit of the variable being sought off. Add your answer

A thick insulating spherical shell of inner radius a=1.2R and outer radius b=9.8R has a uniform charge density p. PR, What is the magnitude of the electric field at r=3.5 R ? Express your answer using one decimal place in units of €0

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.