Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Chapter 12, Problem 31CQ
To determine
Whether the electric potential increases or decreases when a person move towards a negative charge.
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Physics of Everyday Phenomena
Ch. 12 - When two different materials are rubbed together,...Ch. 12 - Two pith balls are both charged by contact with a...Ch. 12 - When a glass rod is rubbed by a nylon cloth, which...Ch. 12 - Two pith balls are charged by touching one to a...Ch. 12 - Do the two metal-foil leaves of an electroscope...Ch. 12 - If you charge an electroscope with a plastic rod...Ch. 12 - When you comb your hair with a plastic comb, what...Ch. 12 - Describe how Benjamin Franklins single-fluid model...Ch. 12 - If you touch the metal ball of a charged...Ch. 12 - If you touch the ball of a charged electroscope...
Ch. 12 - When a metal ball is charged by induction using a...Ch. 12 - If, when charging by induction, you remove the...Ch. 12 - Will bits of paper be attracted to a charged rod...Ch. 12 - Why are pith balls initially attracted to a...Ch. 12 - Are electrostatic precipitators (see everyday...Ch. 12 - Can the pollutant carbon dioxide be readily...Ch. 12 - Can scrubbers (see everyday phenomenon box 12.1)...Ch. 12 - Is the concept of torque involved in the operation...Ch. 12 - If you had several identical metal balls mounted...Ch. 12 - If the distance between two charged objects is...Ch. 12 - If two charges are both doubled in magnitude...Ch. 12 - Can both the electrostatic force and the...Ch. 12 - Two charges, of equal magnitude but opposite sign,...Ch. 12 - Is it possible for an electric field to exist at...Ch. 12 - If we change the negative charge in the diagram...Ch. 12 - Three equal positive charges are located at the...Ch. 12 - Is the electric field produced by a single...Ch. 12 - If we move a positive charge toward a negative...Ch. 12 - Prob. 29CQCh. 12 - If a negative charge is moved in the same...Ch. 12 - Prob. 31CQCh. 12 - Is electric potential the same as electric...Ch. 12 - Prob. 33CQCh. 12 - Prob. 34CQCh. 12 - Would you be more likely to be struck by lightning...Ch. 12 - During a thunderstorm, why can a much greater flow...Ch. 12 - If in a typical thundercloud the bottom of the...Ch. 12 - Which is better during a thunderstorm: being in...Ch. 12 - Prob. 39CQCh. 12 - An electron has a charge of 1.6 1019 C. How many...Ch. 12 - Two identical brass balls mounted on wooden posts...Ch. 12 - Two identical steel balls mounted on wooden posts...Ch. 12 - Two charged particles exert an electrostatic force...Ch. 12 - Two charged particles exert an electrostatic force...Ch. 12 - Two negative charges, each of magnitude 5 106 C,...Ch. 12 - A charge of +3 106 C is located 21 cm from a...Ch. 12 - An electron and a proton have charges of an equal...Ch. 12 - A uniform electric field is directed upward and...Ch. 12 - A test charge of +12 106 C experiences a downward...Ch. 12 - A +3.4 106 C test charge experiences forces from...Ch. 12 - A charge of 5.8 106 C is placed at a point in...Ch. 12 - A charge of +0.18 C is moved from a position where...Ch. 12 - Prob. 14ECh. 12 - The potential energy of a +8 106 C charge...Ch. 12 - The electric potential increases from 52 V to 367...Ch. 12 - Three positive charges are located along a line,...Ch. 12 - Suppose that two equal positive charges lie near...Ch. 12 - Suppose that one of the two charges in synthesis...Ch. 12 - Suppose that four equal positive charges are...Ch. 12 - Suppose that the top plate of a parallel-plate...
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- Can a particle move in a direction of increasing electric potential, yet have its electric potential energy decrease? Explainarrow_forwardThe two charges in Figure P16.12 are separated by d = 2.00 cm. Find the electric potential at (a) point A and (b) point B, which is hallway between the charges. Figure P16.12arrow_forwardIf a proton is released from rest in an electric field, will it move in the direction of increasing or decreasing potential? Also answer this question for an electron and a neutron. Explain why.arrow_forward
- A uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown in Figure P20.29. The rod has a total charge of 7.50 C. Find the electric potential at O, the center of the semicircle. Figure P20.29arrow_forwardAt a certain distance from a charged particle, the magnitude of the electric field is 500 V/m and the electric potential is 3.00 kV. (a) What is the distance to the particle? (b) What is the magnitude of the charge?arrow_forwardThe two charges in Figure P25.14 are separated by d = 2.00 cm. Find the electric potential at (a) point .A and (b) point B, which is halfway between the charges.arrow_forward
- What is the potential 0.5301010 m from a proton (the average distance between the proton and electron in a hydrogen atom)?arrow_forwardIn a particular region, the electric potential is given by V=xy2z+4xy . What is the electric field in this region?arrow_forwardIt is shown in Example 24.7 that the potential at a point P a distance a above one end of a uniformly charged rod of length lying along the x axis is V=keQlln(l+a2+l2a) Use this result to derive an expression for the y component of the electric field at P.arrow_forward
- What is the strength of the electric field in a region where the electric potential is constant?arrow_forwardThe potential in a region between x = 0 and x = 6.00 m V = a + bx, where a = 10.0 V and b = -7.00 V/m. Determine (a) the potential at x = 0, 3.00 m, and 6.00 m and (b) the magnitude and direction of the electric field at x = 0, 3.00 m. and 6.00 m.arrow_forwardA small spherical pith ball of radius 0.50 cm is painted with a silver paint and then -10 C of charge is placed on it. The charged pith ball is put at the center of a gold spherical shell of inner radius 2.0 cm and outer radius 2.2 cm. (a) Find the electric potential of the gold shell with respect to zero potential at infinity, (b) How much charge should you put on the gold shell if you want to make its potential 100 V?arrow_forward
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