Physics Physics Practice Problems Solutions Library

# Electric Field Solutions Library

Access 60 Electric Field video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Electric Field learn videos.

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60 solutions

Electric Field

#### Q. Part ASpecify the strength of the electric field. Let r = 6.5 cm.Part BSpecify the direction.

Solved • Jul 20, 2020

Electric Field

#### Q. A proton is placed in a uniform electric field of 2950 N/C.A. Calculate the magnitude of the electric force felt by the proton.(F = ? )B. Calculate...

Solved • Jul 17, 2020

Electric Field

#### Q. Two positive point charges q are placed on the x-axis, one at x = a and one at x = -a.(a) Find the magnitude and direction of the electric field at...

Solved • Jul 16, 2020

Electric Field

#### Q. In the figure, the point charges are located at the corners of an equilateral triangle 26 cm on a side.Find the magnitude of the electric field, in...

Solved • Jul 16, 2020

Electric Field

#### Q. In the figure, the point charges are located at the corners of an equilateral triangle 21 cm on a side. Part (a) Find the magnitude of the electric...

Solved • Jul 16, 2020

Electric Field

#### Q. Figure 17.44 shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electro...

Solved • Jul 16, 2020

Electric Field

#### Q. Part AWhat is the direction of the electric field at the dot in the figure (Figure 1)? A) down B) up C) to the right D) to the left Part B What is ...

Solved • Jul 16, 2020

Electric Field

#### Q. Two very large sheets of charge are separated by a distance d. One sheet +o, -O has a surface charge density +o; the other, a surface charge densit...

Solved • Jul 16, 2020

Electric Field

#### Q. A 0.10 g honeybee acquires a charge of +23 pC while flying.a. The electric field near the surface of the earth is typically 100 N/C, directed downw...

Solved • Jul 13, 2020

Electric Field

#### Q. The figure (Figure 1) shows a solid metal sphere at the center of a hollow metal sphere. Assume that E = 1.3x104 N/C1) What is the total charge on ...

Solved • Jul 13, 2020

Electric Field

#### Q. Two point charges (q1 = -4.7 µC and q2 = 8.4 µC) are fixed along the x-axis, separated by a distance d = 8.1 cm. Point P is located at (x,y) = (d,d...

Solved • Jul 13, 2020

Electric Field

#### Q. A free negative charge released in an electric field willa) remain at rest.b) accelerate in a direction perpendicular to the electric field.c) acce...

Solved • Jul 1, 2020

Electric Field

#### Q. What can you say about the field at point 1 compared with the field at point 2?a. The field at point 1 is zero, because point 1 is not on a field l...

Solved • Jul 1, 2020

Electric Field

#### Q. What are the strength and direction of the electric field at the position indicated by the dot in figure (Figure 1)A) Give your answer in terms of ...

Solved • Jul 1, 2020

Electric Field

#### Q. Three negative point charges lie along a line as shown in the figure. Find the magnitude of the electric field this combination of charges produces...

Solved • May 21, 2020

Electric Field

#### Q. The figure (Figure 1) shows a thin rod of length L with total charge Q. Find an expression for the electric field E at distance X from the end of t...

Solved • May 19, 2020

Electric Field

#### Q. (a) Find the direction and magnitude of an electric field that exerts a 4.80x10-17 N westward force on an electron. (b) What magnitude and directio...

Solved • May 19, 2020

Electric Field

#### Q. Finding the Zero-Field PointTwo particles with positive charges q1 and q2 are separated by a distance s.Along the line connecting the two charges, ...

Solved • May 13, 2020

Electric Field

#### Q. In the figure, the point charges are located at the corners of an equilateral triangle 22 cm on a side.A.) Find the magnitude of the electric field...

Solved • May 13, 2020

Electric Field

#### Q. What is the direction of the electric field at the dot?

Solved • May 11, 2020

Electric Field

#### Q. What are the magnitude and direction of the electric field at the dot in Figure below, in which d = 5 cm and theta = 47°?in units of V/m (degree me...

Solved • May 11, 2020

Electric Field

#### Q. What magnitude charge creates a 1.0 N/C electric field at a point 1.0 m away?

Solved • Apr 20, 2020

Electric Field

#### Q. A +16 nC charge is located at the origin.a. What is the strength of the electric field at the position (x,y)=(5.0cm, 0cm)?b. What is the strength o...

Solved • Apr 10, 2020

Electric Field

#### Q. 1. In which case does the electric field at the dot have the largest magnitude? A, B, C, or D2. Three point charges are arranged as shown in the fi...

Solved • Apr 9, 2020

Electric Field

#### Q. A proton is released from rest at the positive plate of a parallel-plate capacitor. It crosses the capacitor and reaches the negative plate with a ...

Solved • Apr 8, 2020

Electric Field

#### Q. An electron is projected with an initial speed 1.20×106 m/s into the uniform field between the parallel plates in the figure. Assume that the field...

Solved • Apr 8, 2020

Electric Field

#### Q. Find the electric field at the origin, point O. Give the x and y components of the electric field as an ordered pair. Express your answer in newton...

Solved • Apr 7, 2020

Electric Field

#### Q. A force of 10 N acts on a charge of 5.0 μC when it is placed in a uniform electric field. What is the magnitude of this electric field?A) 1.0 MN/C ...

Solved • Apr 3, 2020

Electric Field

#### Q. Two point charges are placed on the x-axis. The first charge, q1 = 8.00 nC, is placed a distance 16.0 m from the origin along the positive x-axis; ...

Solved • Mar 24, 2020

Electric Field

#### Q. A point charge q1 = -4.00 nC is at the point x = 0.600 meters, y = 0.800 meters, and a second point charge q2 = +6.00 nC is at the point x = 0.600 ...

Solved • Mar 24, 2020

Electric Field

#### Q. Figure 18.57 shows an electron passing between two charged metal plates that create an 100 N/C vertical electric field perpendicular to the electro...

Solved • Mar 11, 2020

Electric Field

#### Q. (a) What is the strength of the electric field at the position indicated by the dot in the figure?(b) What is the direction of the electric field a...

Solved • Mar 10, 2020

Electric Field

#### Q. In the figure, point A is a distance L away from a point charge Q. Point B is a distance 4L away from Q. What is the ratio of the electric field at...

Solved • Jun 20, 2017

Electric Field

#### Q. Five particles are shot from the left into a region that contains a uniform electric field. The numbered lines show the paths taken by the five par...

Solved • Jun 18, 2017

Electric Field

#### Q. An electron traveling at 2 × 106 m/s enters a 0.08 m region with a uniform electric field of 246 N/C , as in the figure. A) Find the magnitude of ...

Solved • Jun 16, 2017

Electric Field

#### Q. An electron is accelerated by a constant electric field of magnitude 208 N/C. A) Find the magnitude of the acceleration of the electron. The mass ...

Solved • Jun 16, 2017

Electric Field

#### Q. Three point charges are placed at the vertices of an equilateral triangle. Find the magnitude of the electric field E at P. The value of the Coulom...

Solved • Jun 16, 2017

Electric Field

#### Q. Three charges are arranged along the x-axis: +q at x = -2d; +2q at x = d; –4q at x = 2d. Which expression gives the magnitude of the electric field...

Solved • May 30, 2017

Electric Field

#### Q. Two unequal point charges are separated as shown in the figure. The electric field due to this combination of charges can be zero. a) Only in regi...

Solved • May 30, 2017

Electric Field

#### Q. Two point charges are separated by 20 cm and have charges of +8.0 and +16.0 μC, respectively. What is the electric field at a point midway between ...

Solved • May 29, 2017

Electric Field

#### Q. In the four configurations of charges, all the charges are the same magniture, Q, but can be positive or negative. The distance between adjacent it...

Solved • Apr 27, 2017

Electric Field

#### Q. A charge q1 = +5.0 x 10-9 C is located at the origin of an xy-coordinate system, and a charge q2 = -2.0 x 10-9 c is located on the y-axis at y = 0....

Solved • Feb 21, 2017

Electric Field

#### Q. An electron traveling along the +x-axis enters an electric field that is directed vertically down, i.e. along the negative y-axis. What will be the...

Solved • Feb 21, 2017

Electric Field

#### Q. The figure shows two unequal point charges, q and Q, of opposite sign. Charge Q has greater magnitude than charge q. In which of the regions X, Y, ...

Solved • Jan 4, 2017

Electric Field

#### Q. An electron traveling horizontally at 6 × 10 6 m/s enters a 0.05 m region with a uniform electric field of 89 N/C , perpendicular to the electron's...

Solved • Jan 3, 2017

Electric Field

#### Q. A charge of 3 μC is at the origin. Sketch the function E x versus x for both positive and negative values of x. (Remember that Ex is negative when ...

Solved • Jan 3, 2017

Electric Field

#### Q. A charge of 3 μC is at the origin. The Coulomb constant is 8.98755 × 10  9 Nm2/C2. What is the magnitude of the electric field on the x axis at x =...

Solved • Jan 3, 2017

Electric Field

#### Q. Two charged particles are located at x = -a and x = +a, as shown below, on the x-axis. The electric field produced by these two charges at any poin...

Solved • Dec 27, 2016

Electric Field

#### Q. A pendulum has a charged mass at the end of it, as shown in the figure below. If it is in equilibrium, what is the magnitude of the electric field?

Solved • Dec 22, 2016

Electric Field

#### Q. Two charges, q1 = 5 μC  and q 2 = 7 μC, are separated by 10 cm, with q 1 to the left of q2. Where is the net electric field, due to both charges, z...

Solved • Dec 22, 2016

Electric Field

#### Q. Two charges, q1 = -2.50 nC and q 2 = +2.00 nC, are placed 0.400 m apart as shown in the figure. What is the direction  of the electric field at poi...

Solved • Dec 22, 2016

Electric Field

#### Q. Two charges, q1 = -2.50 nC and q 2 = +2.00 nC, are placed 0.400 m apart as shown in the figure. What is the magnitude of the electric field at poin...

Solved • Dec 22, 2016

Electric Field

#### Q. A charged particle traveling along the +x axis enters an electric field directed vertically upward along the +y axis. If the charged particle exper...

Solved • Dec 21, 2016

Electric Field

#### Q. The four charges form a square of edge length a. What is the direction of the net electric field at the square's center? a. -x b. +x c. +y d. -...

Solved • Dec 21, 2016

Electric Field

#### Q. In the figure, point  B is a distance L away from a point charge Q. Point A is a distance 4L away from Q. What is the ratio of the electric field a...

Solved • Dec 21, 2016

Electric Field

#### Q. Four identical point charges, q, are placed at the corners of a square. Each side of the square has length L. What is the magnitude of the electric...

Solved • Dec 21, 2016

Electric Field

#### Q. Two charged metal plates in vacuum are 0.15 m apart, with an electric field between the plates of E = 3000 N/C. A proton (q= +e = 1.6x10-19 C, m = ...

Solved • Dec 20, 2016

Electric Field

#### Q. Find the electric field at point P due to the charges shown.

Solved • Dec 20, 2016

Electric Field

#### Q. An electron traveling along the +x-axis enters an electric field that is directed vertically down, i.e., along the negative y-axis. What will be th...

Solved • Dec 19, 2016

Electric Field

#### Q. Two point charges having charge of -6.25 x 10 -9 C and -12.5 x 10 -9 are 25.0 cm apart. a) Calculate the magnitude of Coulomb force between them. ...

Solved • Dec 19, 2016