The arrows of the electric field on a negative charge point
What is towards the charge?
100
A balloon is an example of a good _______.
What is an insulator?
200
The definition of "attract"
What is Two objects are drawn towards one another?
200
The charge made by rubbing glass with fur
What is negative?
200
Two charges experience the strongest static force when?
What is they are closer together
200
For a positive charge the electric field lines would be drawn pointing?
What is "away from the charge"
200
Many electrons are free to move in ______
What is conductors?
300
Static Force
What is the force between two charges?
300
Paper, wool, and anything else positively charged would all be attracted to what charge?
What is a negative charge?
300
The unit for potential difference
What is Volts
300
Two charges of +.002C are .5m apart. This is the electric field at a point halfway between them?
What is 0?
300
A glass rod is an example of a good _______.
What is insulator?
400
A device to detect static charges
What is an electroscope?
400
A piece of wool is rubbed against a balloon. The wool acquires a positive .001C charge. The resulting charge on the balloon is _________.
What is a negative .001C charge
400
A positive charge of 8 x 10^-13 and a negative charge of -3 X 10^-5 are 0.30m apart. This is the force acting between the two charges, including their direction.
What is 2.4 X10^-6 Newtons, towards each other?
400
The number of electrons needed to be removed to produce a positive charge of 3 microcoulombs
What is 1.875 X10^-13 electrons?
400
Steel is an example of a good _________ of electricity.
What is conductor?
500
Electric Field
What is the area surrounding a charge that is affected by that charge?
500
When a positively charged object is brought near a negatively charged electroscope.
What causes the leaves of an electroscope to collapse? (Positive charge of the object attracts the negative charge in the electroscope causing the negative charges to move up and allowing the leaves to collapse)
500
This is what happens to the Force between two charges when the distance is doubled.
What is decreased by a factor of 4?
500
An electron at rest is found to have a force of .3N to the right. This is the electric field at the location of the electron?