How would you draw the electric field lines given a plot of equipotential surfaces? a.perpendicular; towards higher potential b.perpendicular; towards lower potential c.perpendicular; towards higher lines of higher energy d.parallel to all equipotential lines
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How would you draw the electric field lines given a plot of equipotential surfaces?
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- 5. Consider the basic construction of a spherical capacitor. Which of the following is incorrect when the capacitor is fully charged? The answer cannot be found on the other choices. An electric field will be established and stored inside the capacitor, i.e. between the two plates. The plates are kept at potentials such that they have a potential difference. The surface charge densities on each plate are always equal in magnitude but are opposite in polarity.2. Point charges Q and -2Q are at a distance d. At what distances from Q is the electric potential zero? Only consider the points on the line that connects Q₁ and Q₂.Question and diagram attached.
- Choose the correct answer. 1. An electric charge in an electric field is always compelled to move by the force of the field towards a region of A. equipotential surfaces. B.higher potential. C. lower potential. D. neither lower nor higher potential 2. Electric Potential Energy is gained by a charge when it is placed. A. within the region of another charge only. B. either in an electric field or within the region of another charge C. in an electric field only. D. neither in an electric field nor within the region of another charge 3. The electric potential of an electron initially 1 m away from a positively charged metal plate; when moved to a distance of 2m is A. increased four times B. reduced to half C. reduced to a one-fourth D. increased twiceD) none of previous choices is true (23) Given a a plot of equipotential lines, how would you draw the electric field lines? A) Perpendicular; towards lower potential B) Parallel to all equipotential lines C) Perpendicular; towards higher potential D) Perpendicular; towards higher lines of higher energy d to 1000% and then disconnected from battery. A2. Three charges (+q, -2q, and +q) are arranged respect along the z-axis at z = d/2, z=0, z=-d/2, respectively. a) Determine V and E at a distant point P(R, 0, 6). b) Find the equations for equipotential surfaces and streamlines. c) Sketch a family of equipotential lines and streamlines.
- In the figure below, what will be your work done in joules if you move an electron along the 70-V equipotential? 3 4 90 V 80 V 70 V 60 V 50 V A. o. 0. B. 30. C. 50. D. 60. E. I need the electric force and the distance traveled.2) .) Some field lines and corresponding equipotential lines are shown below. Two locations, A and B, are marked. i. The electric potential A. Is higher at A B. Is higher at B C. Is equal at A and B D. Could be higher at A or B ii. If a proton were moved from A to B, the work done on it by the electric field would be A. + B. C. 0 AH5.
- please solve question 10 only2. Potential and potential energy due to two point charges. An electric dipole consists of two point charges, q1 = + 12nC and q2 = −12nC, placed at a distance of 10cm from each other (see figure). a) Calculate the potentials at points a, b and c by adding the potentials due to each charge. b) Calculate the potential energy associated with a point charge of 14.0 nC if it is placed at points a, b, and c of the figure3.) In the figure are 3 charges arranged at the corners of a rectangle. Charge q1 = 6nC, q2 = 16nC, and q =-8nC. The point B is midway between the charges. q2 and q3. a.) What is the total potential at point A? b.) What is the total potential at point B? c.) What is the potential difference between points A and B, AVAB? 83 A Scm 1ocm B 82