A ring-shaped conductor with radius a = 3.00 cm has a total positive charge Q = 0.127 nC uniformly distributed around it.(Figure 1) 1. What is the magnitude of the electric field at point P, which is on the positive x-axis at x = 41.0 cm ? 2. What is the direction of the electric field at point P? What is the direction of the electric field at point P? +x-direction -x-direction 3. A particle with a charge of -2.40 μC is placed at the point P described in part A. What is the magnitude of the force exerted by the particle on the ring? 4. What is the direction of the force exerted by the particle on the ring? What is the direction of the force exerted by the particle on the ring? +x-direction -x-direction

1) Charge for q2 = 6.00 x 10^-12 C.  Determine the magnitude of the electrical field. Express the answer in N/C form. 2) Using a new value of 7.4 nC for q2, determine the charge needed at point P so that the electric field due to all four charges is zero at point z. Express your answer in nC and include a negative sign if the charge is negative. Please use what I have provided for the questions.

ST At a distance of 48.7 cm from a very long (essentially infinite) uniform line of charge, the electric field strength is 1,866 N/C. At what distance (in cm) from the line will the field strength be equal to 811 N/C? X

Question 4. Three equal positive charges are at the corners of an equilateral triangle of side a as in Figure 4. Assume the three charges together create an electric field. a) Sketch the electric field lines in the plane of the charges. b) Find the location of one point (other than infinity) where the electric field is zero. c) What are the magnitude and the direction of the electric field at P due to the two charges at the base? Figure 4:

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The following diagram shows the electric field lines in a region of space containing two small charged spheres (Y and Z). Which of the following statements is correct? O a. Y and Z both are negative. O b. Y is negative and Z is positive. O C. Y and Z both are positive. Od. a. Y is positive and Z is negative.

A pair of parallel conducting plates are given charges of equal magnitude but opposite sign to create a uniform electric field with magnitude 38 N/C. A rectangular surface with dimensions 4.2cm×1.2cm is located in the gap between the parallel plates. a. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if it is parallel to the charged plates?  b. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if it is perpendicular to the charged plates?  c. What is the magnitude of the electric flux, in newton squared meters per coulomb, through the rectangular surface if the angle between its normal and the electric field is 25∘?

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.

2. Two charges are situated near point P. 9₁ = -2.5 μC and q2 = 3.5 μC. Find the electric field strength at point P. Note: For direction of the electric field, you can use one of the following: North, East, South, and West or Up, Right, Down, and Left P...... k 3.0 m r 91 + 2.5 m ¥1,2 92

03. The distance between two charges q1 = + 2 μC and q2 = + 6 μC is 15.0 cm. Calculate the distance from charge q1 to the points on the line segment joining the two charges where the electric field is zero. Express your answer in cm with 3 - significant figures.