The electric potential, or voltage, at any point in an electric field is the electric potential energy per unit charge for a charged object at that point. Which statements are correct: I. When a positive charge moves in the direction of an electric field, the potential energy decreases and the field does positive work II. When a positive charge moves in the direction of an electric field, the potential energy increases and the field does negative work III. When a negative charge moves in the direction of an electric field, the potential energy increases and the field does negative work IV. When a negative charge moves in the direction of an electric field, the potential energy decreases and the field does positive work

Q: As you move along the x-axis, the electric potential is zero everywhere.  From this information, you…

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Q: 2. If the electric field does negative work on a negative charge as the charge undergoes a…

A: Solution:

Q: Which of the following statements are TRUE? I. When a positive charge moves in the direction of an…

A: Before answering this question , we must remember few points :  (1) Direction of Electric field is…

Q: The following statements are true about electrical potential energy, EXCEPT: a) The electric…

A: option a) is not correct

Q: An electron moves from point A (which is at a potential of +50V) to point B (which is at a potential…

A: Here the electron moves from point A, which have the potential 50V to -50 V potential point B.

Q: 4. The electric potential can be measured in two ways using the following equations: Equation 1: W…

A: The objective of the question is to understand the quantities and units involved in the equations…

Q: At which location would a small + charge be placed in order for it to have the maximum electric…

A: Like charges repel and unlike charges attract. The charge is a positive charge. At point 1 the…

Q: A proton is released from rest in a uniform electric field. Which statement is correct? a. The…

A: When a proton is released from rest in a uniform electric field, understanding its behavior requires…

Q: A 1 kg mass and a 3 kg mass each with a positive charge Q move through an electric field from a…

A: The kinetic energy of a charge is equal to the change in potential energy according to law of…

Q: 23. It takes 7.5 μJ of work to move 250.0 nC from point A to point B. A B a) What is the potential…

A: charge q = 250.0nC1nC = 1.0 x 10-9 Cwork done to move charge  from A to B is W = 7.5μJ

Q: Which one of the following statements is true? A. Electrons spontaneously move towards regions of…

A: all things in this universe wants to minimise its energy i.e it wants to make its energy as low as…

Q: # 2. Electron moves from i to fin a uniform electric field as shown. Part 1: Does the electric field…

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Q: 1. Suppose the electric nutcracker has a stationary positive charge of +5 x 10 C initially separated…

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Q: A charge of +0.4 C is moved from a position where the electric potential is 20 V to a position where…

A: According to the low of conservation of energy, change in potential energy is equal work done.

Q: certain region of space the electric potential increases uniformly from west to east and does not…

A: Electric field is the negative gradient of electric potential. E = -dV/dx

Q: A parallel plate capacitor contain a positively charged to play on the right and a negatively…

A: A capacitor is made up of two parallel metal plates held at a distance d apart. The two capacitor…

Q: A uniform electric field with a magnitude of 5660 N/C points in the positive x-direction. A)Find the…

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Q: 4. The electric potential at a certain point in space is 12 V. What is the electric potential energy…

A: GivenV=12 Vq=-3 μC

Q: At a given location in space, the potential is known to be greater when one moves in any direction.…

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Q: The electric field in a region is due to a point charge Q . If a charge q  is to be moved from a…

A: Option (c) is correct.

Q: Answer each of the questions with "positive," "negative," or "zero." a) The work done by an external…

A: Change in potential(∆U)= charge(q) x change in potential(∆V) Work done by external force, Wext = -∆U…

Q: 4. In the figure below, q = 1.0 x 10-7 C and a = 5.0 cm, where V = 0 at infinity. a) What is the…

A: The distance from all corners of the square to its center is same and is given by The electric…

Q: Directions: Write "Potential" if the statement "Electric" and change the underlined word/phr true…

A: Directions to use:-We have to write "Potential" if the statement is true, if it is false write…

Q: Calculate the potential energy of the +2µC charge at point P. Calculate the work done in moving the…

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Q: A charged particle is moving inside a region of constant electric potential. Which of the following…

A: Given  A charge particle move at a constant electric potential.  We have to choose the correct…

Q: Which of the following statements are true about an electric potential or electric potential…

A: Statements 1 and 2: The electric potential is also said to be as voltage. Its unit is Volts. Joules…

Q: A charge of +2Q and -Q are separated by a distance d. What is sign of the electric potential at a…

A: Q1 = +2Q Q2 = -Q To find = sign of electric potential

Q: 1. If a charged particle moves along an equipotential line, a. The change in the force acting on the…

A: Given  The charge particle move along an equipotential line, then

Q: potentials at two points, A and B. In each case, the same positive chargeis moved from A to B. In…

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Q: How much work does a uniform electric field of strength, 3,000 N/C, perform on a +2.0-µC point…

A: Given value--- electric field = 3000 N/C  charge = 2 micro C.  distance = 30 cm. We have to…

Q: Which of the following best describes an electric potential? a. force per unit charge b. electric…

A: Given data:  Original potential energy = U New electric potential energy (U') = 4U Two equal charges…

Q: Use your understanding of the mathematical relationship between work, potential energy, change and…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Particles A, B, C, and D in (Figure 1) each carry a charge of magnitude 1.0 nC. Express your answer…

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Q: 2) Three particles with equal positive charges q are at the corners of an equilateral triangle as…

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Q: Consider an unknown charge that is released from rest at a particular location in an electric field…

A: A +q charge moves in the direction of the electric field while the motion of -q charge is opposite…

Q: 2) Four charges are arranged in the pattern shown. They have equal magnitudes of 1nC but have the…

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Q: 9. Consider a situation with a negative charge moved from a great distance to a position near a…

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Q: Q. Which of the following statement given is not correct? A) For charge q > 0, if it moves along the…

A: The mathematical representation of the electrical potential energy is : WD=F.dF=qEWD=qEdPE=qEd Here,…

Q: As the distance between two charges increases, the electric potential energy of the two-charge…

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Q: a) Determine the change in electric potential energy of a system of two charged objects when a…

A: Potential energy of a two charge system is given as  U = kq1q2/r Where r is seperation between them.

Q: (Multiple choice) An electrically charged object creates an electric field. The electric potential…

A: Given,Electric field due to electric charge.

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.