Purchase Solution

The Electric Field At Different Points

Not what you're looking for?

Ask Custom Question

Two point charges lie on the x axis. A charge of + 6.2 micro C is at the origin, and a charge of -9.5 micro C is at x = 10.0 cm. What is the net electric field at
(a) x = -4.0 cm and at
(b) x = +4.0 cm?

Purchase this Solution
Solution Summary

This solution is comprised of a concise step by step solution of how to calculate the strength of an electric field at different positions relative to two different point charges.

Solution Preview

The electric field is given by:

E = kq/r^2

To find the net electric field at each point we must sum up the effect of both charges on that point.

a) x = ...

Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Basic Physics

This quiz will test your knowledge about basic Physics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

View More Free Quizzes
Related BrainMass Solutions

  • Electric field

    At which of these points is the magnitude of the electric field the largest? 4. Four charges of equal magnitude are placed at the corners of a square, as shown in two different diagrams below.

  • 11 Electrostatics Problems

    PDF attached to find several expressions for the electric potential at different points.

  • Electric field, charge and directionality

    23600 Electric field, charge and directionality Does the electric field only move in the + ---> - direction?

  • Electric field of two point charges

    The electric field due to the negative charge q1 points toward q1. At the origin, the electric field due to q1 is in the direction of the line connecting the origin to q1. The electric field due to the positive charge q2 points away from q2.

  • Line with 2 Charges: Electric potential and electric field

    Which of the following statements are true about the electric potential and the electric field in the region surrounding the two point charges (at points A,B,C,D)? 1. T/F At point A, the electric field is zero. 2.

  • Fifteen Questions: Electric Field and Potential.

    electric field lines go from -Q to +Q at the midpoint between +Q and -Q, the force on any charge is zero at the midpoint between +Q and -Q, the electric field is zero at the midpoint between +Q and -Q, the electric potential is zero as you

  • Potential Energies

    In fact it is more correct to speak of potential energy DIFFERENCE between two points in space, which is the work needed to be done on the particle to move it from rest at the starting point to rest at the end point.

  • Calculate the magnitude of the electric field with distribution of charges

    144337 Magnitude of the electric field with distribution of charges A. Calculate the magnitude of the electric field at the origin due to the following distribution of charges: +q at (x,y) = (a,a), +q at (a,-a), -q at (-a,-a) and -q at (-a,a).

  • Magnetic Field Increases at Constant Rates

    23267 Magnetic Field Increases at Constant Rates In a region of space, the magnetic field increases at a constant rate.

View More Related Solutions