The Teflon plate is an insulator whose net charge is fixed on its surface. The conducting...
The Teflon plate is an insulator whose net charge is fixed on its surface. The conducting sphere allows charge to move on its surface and is originally uncharged. If one were to touch the sphere momentarily (and ground it) when it is near the charged plate, what kind of net charge (positive, negative, or none) is left on the sphere and explain how this happens.
Homework Answers
charging a conductor is called charging by induction.if the conducting sphere touched the ground it the excess negative charge start flowing towards the conductor from the Teflon plate. so, the Teflon plate becomes positive by giving charges.
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The Teflon plate is an insulator whose net charge is fixed on
its surface. The conducting...
Why is A correct? A rod-shaped positively-charged insulator is brought near a conducting sphere, and the...
Why is A correct?
A rod-shaped positively-charged insulator is brought near a conducting sphere, and the sphere is momentarily grounded as shown in Diagram I. The conducting sphere is then placed near a nonconducting plane as shown in Diagram II. Which of the following statements is true for Diagram II? a. The conductor has a negative charge and is attracted to the nonconducting plane. b. The conductor has a negative charge and is not attracted to the nonconducting plane. c....
1) A negatively charged Teflon (plastic) rod is held near two initially neutral aluminum pie plat...
1) A negatively charged Teflon (plastic) rod is held near two initially neutral aluminum pie plates that are touching as shown at right. The plates are held using insulating cups. The Teflon rod never touched the pie plates, and no sparks have jumped. Negatively charged Teflon rod a. Is the magnitude of the net charge of the small pie plate greater than, less than, or equal to the magnitude of the net charge of the large pie plate? If the...
Electric Potential 9-2 1) Picture a conducting sphere with a net positive charge on its surface....
Electric Potential 9-2 1) Picture a conducting sphere with a net positive charge on its surface. Discuss the followin estions with your lab partners. a) Why must all of the excess charge on the conductor reside on the surface of the sphere? b) We know that at equilibrium the electric field inside the conductor must be zero. Does this mean that the electric potential inside the sphere is zero? c) Is the potential changing inside the conducting sphere? d) How...
See Figure 1. A solid, conducting sphere of radius a has total charge (-)2Q uniformly distributed along its surface, where Q is positive
2. Gauss' Law See Figure 1. A solid, conducting sphere of radius a has total charge (-)2Q uniformly distributed along its surface, where Q is positive. Concentric with this sphere is a charged, conducting spherical shell whose inner and outer radii are b and c, respectively. The total charge on the conducting shell is (-)8Q. Find the electric potential for r < a. Take the potential out at infinity to be 0.
1. A positively charged insulator is brought close to an isolated touching) neutral conductor (without a)...
1. A positively charged insulator is brought close to an isolated touching) neutral conductor (without a) The diagram shows the positively charged insulator next to the neutral conductor. Draw the charge distribution on the conductor. Only draw the unbalanced charges. Insulator Conductor b) Draw an arrow on the conductor showing the direction and magnitude (indicated by the length of the arrow) of the net electric force caused by the insulator on the conductor. Label this Fa. (Fa means the force...
(6.) An infinite line of charge is parallel to the plane of an infinite sheet of...
(6.) An infinite line of charge is parallel to the plane of an infinite sheet of charge. If the line of charge is a distance b above the sheet, what is the relationship between the densities , o and the distance b that will allow the net field created by the distributions to be zero at some point between the two? Ş+++++++++++++++++++++ + + + + + + + + + + + + + + + + + +...
For a charged solid metal sphere with total charge Q and radius R centered on the...
For a charged solid metal sphere with total charge Q and radius R centered on the origin: Select "True" or "False" for each statement. | If the solid sphere is an insulator (instead of metal) with net charge Q, the charges are wherever they were placed, and cannot move around. \/| The electric field near the metal surface on the outside is perpendicular to the surface. If the solid sphere is an insulator (instead of metal) with net charge Q,...
Question 3 what happens when a charged Insulator is placed near an uncharged metallic object? They...
Question 3
what happens when a charged Insulator is placed near an uncharged metallic object? They repel each other. They attract each other. They exert no electrostatic force on each other. The charged Insulator always spontaneously discharges. They may attract or repel each other, depending on whether the charge on the insulator is positive or negative. 3. -11 points Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the...
To understand the electric force between charged and uncharged conductors and insulators. When a test charge...
To understand the electric force between charged and uncharged conductors and insulators. When a test charge is brought near a charged object, we know from Coulomb's law that it will experience a net force (either attractive or repulsive, depending on the nature of the object's charge). A test charge may also experience an electric force when brought near a neutral object. Any attraction of a neutral insulator or neutral conductor to a test charge must occur through induced polarization. In...
2. [1pt] Select the answers which complete the statements below (or enter D if one cannot...
2. [1pt] Select the answers which complete the statements below (or enter D if one cannot tell). E.g., if answer A completes the first statement, and answer B the others, enter ABBBB. A) positive B) negative C) neutral D) cannot tell Two neutral metal spheres are mounted on insulating supports. They are connected by a wire. A positively charged glass rod is brought near sphere 1. The wire connecting the spheres is removed and the charged rod is then taken...
Why is A correct?
A rod-shaped positively-charged insulator is brought near a conducting sphere, and the sphere is momentarily grounded as shown in Diagram I. The conducting sphere is then placed near a nonconducting plane as shown in Diagram II. Which of the following statements is true for Diagram II? a. The conductor has a negative charge and is attracted to the nonconducting plane. b. The conductor has a negative charge and is not attracted to the nonconducting plane. c....
1) A negatively charged Teflon (plastic) rod is held near two initially neutral aluminum pie plates that are touching as shown at right. The plates are held using insulating cups. The Teflon rod never touched the pie plates, and no sparks have jumped. Negatively charged Teflon rod a. Is the magnitude of the net charge of the small pie plate greater than, less than, or equal to the magnitude of the net charge of the large pie plate? If the...
Electric Potential 9-2 1) Picture a conducting sphere with a net positive charge on its surface. Discuss the followin estions with your lab partners. a) Why must all of the excess charge on the conductor reside on the surface of the sphere? b) We know that at equilibrium the electric field inside the conductor must be zero. Does this mean that the electric potential inside the sphere is zero? c) Is the potential changing inside the conducting sphere? d) How...
1. A positively charged insulator is brought close to an isolated touching) neutral conductor (without a) The diagram shows the positively charged insulator next to the neutral conductor. Draw the charge distribution on the conductor. Only draw the unbalanced charges. Insulator Conductor b) Draw an arrow on the conductor showing the direction and magnitude (indicated by the length of the arrow) of the net electric force caused by the insulator on the conductor. Label this Fa. (Fa means the force...
(6.) An infinite line of charge is parallel to the plane of an infinite sheet of charge. If the line of charge is a distance b above the sheet, what is the relationship between the densities , o and the distance b that will allow the net field created by the distributions to be zero at some point between the two? Ş+++++++++++++++++++++ + + + + + + + + + + + + + + + + + +...
For a charged solid metal sphere with total charge Q and radius R centered on the origin: Select "True" or "False" for each statement. | If the solid sphere is an insulator (instead of metal) with net charge Q, the charges are wherever they were placed, and cannot move around. \/| The electric field near the metal surface on the outside is perpendicular to the surface. If the solid sphere is an insulator (instead of metal) with net charge Q,...
Question 3
what happens when a charged Insulator is placed near an uncharged metallic object? They repel each other. They attract each other. They exert no electrostatic force on each other. The charged Insulator always spontaneously discharges. They may attract or repel each other, depending on whether the charge on the insulator is positive or negative. 3. -11 points Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the...
To understand the electric force between charged and uncharged conductors and insulators. When a test charge is brought near a charged object, we know from Coulomb's law that it will experience a net force (either attractive or repulsive, depending on the nature of the object's charge). A test charge may also experience an electric force when brought near a neutral object. Any attraction of a neutral insulator or neutral conductor to a test charge must occur through induced polarization. In...
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