Two charges are arranged such that there is a 36 N repulsive force between them. What would be the new force if the distance between the two charges was tripled?
4 N
The unit of force exerted on a test charge is
Newtons
What happens to the charge on the Ice Pail when you rub the inner pail with a positively charged disk and then remove the charged disk?
becomes positively charged
What happens to the charge on the Ice Pail when a positively charged disk is lowered into the pail without touching the inner wire mesh cylinder?
charge remains the same
A car is struck by lightning. The resulting electric field inside the car is
zero
An initially uncharged metal sphere is charged by using a negatively charged rod through ______ process, if the charge accumulated on the sphere is negative.
conduction
An electrometer connected between the inner pail and the shield will detect ______
Potential difference
Coulomb's law says that the force between any two charges depends
Both A and B
There are two copper spheres, each hanging from an insulating nylon thread. One of the spheres has a net negative charge, while other sphere has neutral charge. If the spheres are close together but do not touch, they will ______________.
Attract each other
What happens to the charge on the Ice Pail after the positively charged disk is lowered into the pail without touching the inner wire mesh and removed from the inner pail?
Charge remains same
The force between two point charges F is given by F = k q1q2/r2, where k = 9x109 Nm2/C2. If q1=q2=10-9 C is separated by 1 cm, what is the magnitude of force exerted on q2 by q1?
9x10-5 N
Two balloons with charges of -5 nC and -3 nC repel each other with a force of 0.094 N. Determine the separation distance between the two balloons.
1.2mm
An initially uncharged metal sphere is charged by using a positively charged rod through ______ process, if the charge accumulated on the sphere is negative.
Induction
The algebraic sum of all the electric charges in any closed system is ________
Constant
Two like charges ___________
repel each other
A system as a whole is neutral because the total charge is _________
zero
What can you conclude about the charge on the sphere vs. the electric potential (voltage) of the sphere?
The electric potential of the sphere is directly proportional to the charge of the sphere.
The electric field inside a conductor in electrostatic equilibrium is
Zero
The Faraday Ice Pail is momentarily grounded while a negatively charged disk is still inside the inner wire mesh cylinder. What happens to the charge on the Ice Pail when the charged disk is removed?
Becomes positively charged
What happens to the charge on the Ice Pail when the Ice Pail is momentarily grounded while a negatively charged disk is still inside the inner wire mesh cylinder?
Becomes neutrally charged
The magnitude of electric force between two point charges is ____________ the square of the distance between them.
Inversely proportional to
What can you conclude about the distribution of charge on a spherical conductive sphere?
Charges are distributed uniformly on the surface of the conductive sphere.
A positive charge is brought very close but not touching to an uncharged conductor which is insulated from the ground. The conductor is then grounded while the charge is kept close. After removing the nearby charge, the ground connection from the conducto
no net charge
What happens to the charge on the Ice Pail when a positively charged disk is placed just outside the outer wire mesh shield?
charge remains the same
The unit of electric field produced by a point charge is
Newtons/ Coulombs
Two charges placed 1m apart from each other exert a 1N force on each other. If the charges are pulled to 2 meters apart, the force on each charge will be
0.25 N
Two charges are arranged such that there is a 36 N repulsive force between them. What would be the new force if the charge on one of the two charges was doubled?
72 N
A positively-charged wand is lowered into the Faraday Ice Pail without touching it to the pail. _______ charges in the pail moves to the inner surface of the pail leaving ________charges on the outside.
Negative, positive
A metal sphere with a charge of -10 C came into contact with an identical neutral sphere. After contact, the charge on the latter sphere is
-5 C
An initially uncharged metal sphere is charged by using a negatively charged rod through ______ process, if the charge accumulated on the sphere is positive.
Induction
There are two copper spheres, each hanging from an insulating nylon thread. One of the spheres has a net positive charge, while other sphere has neutral charge. You allow the spheres to touch. After they touch, the two spheres will _______________.
Repel each other
After combing your hair, if the comb becomes positively charged, your hair becomes
Negatively charged
Two unlike charges ___________
Attract each other
The unit of charge is
Coulombs
If charges are shared by two unequally sized spheres, which one will have the lesser charge when equilibrium is reached?
The smaller sphere
An initially uncharged metal sphere is charged by using a positively charged rod through ______ process, if the charge accumulated on the sphere is positive.
Conduction
The Faraday Ice Pail works on the principle that any charge placed inside a conducting surface will induce _________ on the outside of the surface
An equal charge
There are two charges of charge +1 �C and +2 �C. The ratio of forces acting on them by each other is
1:1
If charges are shared by two unequally sized spheres, which one will have the larger charge when equilibrium is reached?
The larger sphere
An irregularly shaped conductor accumulates most charges at _______ of the object.
Sharp curves