Two charges q1 = +1.57 µC and q2 = +8.71 µC are separated by a distance of 15.93 cm. Point P is located along the line segment joining the two charges. How far is P (in cm) from q1, if the magnitude of the electric field at P due to the two charges is equal to zero? Express your answers accurate to two decimal places.SHOW YOUR COMPLETE SOLUTION

Refer to the charge pattern shown above with all charges and Point A at the corners of a square with side of 3 cm.  Use charges of Q1 = 16.4 μC; Q2 = -2.11 μC; Q3 = -3.78 μC.   SKETCH on your scratch paper the Electric Field vectors at Point A due to EACH of the charges  What is the direction (vector angle) of the resultant electric field at Point A, in degrees?

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Part A What is the magnitude of the electric field at a distance from the sphere's center of 0.350 m ? |E₁|= 0 N/C Submit Part B Correct What is the magnitude of the electric field at a distance from the sphere's center of 2.40 m ? |E₂| = 0 N/C Submit Part C Previous Answers Part D Submit Previous Answers Correct What is the magnitude of the electric field at a distance from the sphere's center of 2.65 m ? |E₁|= 2820 N/C Previous Answers Correct What is the magnitude of the electric field at a distance from the sphere's center of 9.00 m ? |E₁| = 244 N/C

Two charged spheres are 2 m apart from each other. The blue sphere has a charge of +498 µC and is attracting the red sphere with a force of 836 N. Find the charge of the red sphere in mC. How to answer: Round your final answer to 1 decimal place. Write 1.2 to represent the red charge has a positive charge OR -1.2 to represent it has a negative charge. Answer in mC.

The figure below shows part of an infinitely long, nonconducting line of charge with uniform positive charge per unit length ?. Determine the magnitude E of the electric field at a distance r from the line. Your answer should be expressed in variable form. (Use the following as necessary: ?, r, and ?0. Do not substitute numerical values; use variables only.)

Two equal charges Q are positioned at points (x=L,y=0) and (x=−L,y=0).  Part A) Determine the electric field as a function of y for points along the y axis.Express your answer in terms of the variables and appropriate constants. Part B) Find where the field is a maximum. Express your answer in terms of the variables Q, L, and appropriate constants. If there is more than one answer, separate them by a comma.

You have the same line of charge in the previous problem (with +6.00 nC of charge on it).  But now you are measuring the electric field 1.5 m above the center of the rod – see image below.  Predict the electric field at Point P in this diagram.  Make sure to include a direction with your answer.

A thin rod is bent into a half circle of radius R and centered on the y-axis so that it lies flat in the xy-plane as indicated in the diagram. This glass rod is rubbed all over with silk so that the rod has a total positive charge Q uniformly distributed over the length of the bent rod. Answer the following questions to determine the net electric field at an observation location A located on the positive z-axis a distance d from the origin. (See pic 1 for the following questions)  A. Consider an infinitesimal piece of the glass rod located at an angle θ\thetaθ from the positive x-axis. Determine the relative position vector that points from this piece of the rod to the observation location. B. Derive an expression for the electric field dE⃗ of the infinitesimal piece dQ located at angle θ and integrate over the charge distribution to determine the net electric field E⃗ at the observation location. Your answer should only contain the given variables (R, Q, d) and known…

State what is meant by electric field strength at a point in space. How is its direction defined? Given that the magnitude field strength, E, at a distance r from a point charge Q is given by the formula: E = 4πεο r2 calculate the magnitude of the electric field at a point which is 10 cm from a positive 24 µC charge. Use E = = 9 × 10° m/F. 4πεο