Cutnell Johnson Physics (11th Edition)

Chapter 18

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No. Charged particles do have mass. Therefore, the... more

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The charge on object A is . The charge on object B... more

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The charge on object is . The charge on object ... more

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The charge of the rod is not specified. ... more

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Yes ; When a balloon is rubbed with a shirt, the ... more

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When the rod is negatively charged, the electrons ... more

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At the centre of the square, the force experience ... more

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Let .The force on the positive charge in the ... more

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Electron ; At any time, the forces acting on the ... more

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No ; A simple harmonic motion is a to-and-fro ... more

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Since the electric field is non zero, two ... more

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Zero ; Since the configuration is symmetric, the ... more

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a) At point C.b) Negative charge to be placed at A... more

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Since the negative charge is greater in magnitude... more

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a) Nob) No ; The resultant field produced by two ... more

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For rod A, the field is perpendicular to the rod ... more

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The electric field intensity is greater when the ... more

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Since the particle has horizontal velocity, the ... more

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No, the flux does not change as long as charge ... more

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The fluxes through both the surfaces are the same... more

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electrons. ; Let q be the final charge on both ... more

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They repel each other since A attracts both the B ... more

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One object is attracted and one object is repelled... more

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Initial charge on the system is .Final charge on ... more

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Let , where is the permittivity of free space. ... more

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Force acting on A because of B, along the line ... more

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Let .If , then ; Let .If , then ; Let .If , then... more

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The electric field because of the negative charge ... more

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At point A, the electric field is least since the ... more

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when the charges concentrate on the centre ... more

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0.45 Nm2/C ; According to Gauss's law, the flux ... more

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; Charge of an electron and charge of a proton, ... more

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; Let qi be the initial charge of the object, qf ... more

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electrons. ; Let q be the charge on the plate and ... more

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; Since the force is attractive, the magnitude of... more

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8 electrons ; According to Coulomb's law, the ... more

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121.5 N ; The magnitude of the force between two ... more

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; Given values are:Negative point charge q1 = -25... more

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(a) 92194 N (b) 0 N(c) 65181 N ; The forces on ... more

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0.707 m ; Let F1 be the force on the charge at the... more

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17.288 N, from the south towards the south-east... more

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; The electrostatic force on a charge because of... more

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, ; Since the net force on the charge is ... more

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; Let be the radius of the guideline, be the ... more

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; The electrostatic force on a charge q1 due to ... more

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; The electrostatic force on a charge due to ... more

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N/A ; N/A ; more

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1.37 ; Let E1 be the magnitude of the electric ... more

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1.82 N, due east. ; The force on the charge due ... more

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; The electric field lines flow from the a ... more

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54.32 N/C. ; Since all the charges are equidistant... more

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in both cases ; The magnitude of the electric ... more

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; The magnitude of the electric field due to a ... more

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, downwards ; The electric force acting on a ... more

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The acceleration of the electron is and that of ... more

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and ; 0QK1Z6_electric-field-diagram-1.JPGhttps://... more

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; The electric field inside a parallel plate ... more

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, direction ; The magnitude of a net force ... more

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; Since and they are equidistant from the origin... more

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, ; The electric field can be resolved into two ... more

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; The force acting on a point charge q in an ... more

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; The electric field inside a capacitor is given... more

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; The force experienced by a charge in an ... more

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; Let be the horizontal velocity of the electron... more

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; Let m be the mass of the charge, g = 9.8 m/s2 ... more

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; Let r be the radius of the circular surface. ... more

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; The net flux through the box is the sum of the ... more

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; Let be the distance between the Earth and moon... more

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0.8 m ; The electrostatic force Fe between two ... more

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0.58 ; Since the net electric field is along the ... more

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,  and ; The electrostatic force Fe between two ... more

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9 ; The electrostatic force Fe between two charges... more

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; The force F acting on a charge q in an electric... more

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