In the electric Force equation, the Force can be either a force of _____ or a force of _______.
attraction and repulsion
100
What type of material can you charge by friction?
insulators only
100
What is the unit of the strength of an electric field?
N/C
100
What is the unit for potential difference?
volts
100
On the board draw the electrical field lines that would be between 2 positive particles
you got 100 pt
200
Electrostatic maze game!!!
you got points!
200
If I use conduction to charge an electroscope by using a positively glass rod what charge does the electroscope now have?
positive
200
If an electric field is acting due south, in what direction would a force be acting on an electron in the field?
north
200
unit of Electric potential energy?
joules
200
Fill the missing number in the following series: 101 99 102 98 103 97 ? ? find next numbers
104 96
300
You have 5 Protons, 4 Electrons, and 5 Neutrons. What is the charge on this object? Proton : 1.6*10^-19 C Electron: - 1.6*10^-19 C Neutron: 0 C
- 1.6*10^-19 C Only one electron left
300
What is polarization?
Being of more positive charge on one side and more negative charge on other side is called polarization!
300
Electric Field hockey game!
you got points! congratulations!
300
Write definition and formula of electric potential on the white board!
molodes!!!
300
A mother and father have six sons and each son has one sister. How many people are in the family?
9
400
Two identical metal spheres are charged. Sphere A has a net charge of +7Q. Sphere B has a net charge of -3Q. The spheres are brought together, allowed to touch, and then separated. What is the net charge on each sphere now?
Each sphere has a net charge of +2Q
400
What is electroscope?
An electroscope is a device used to check whether an object is charged or not.
400
there are two charged balloons, one charge is increased by 2x and the distance is decreased by 1/4 x. How will the force change?
32x
400
Moving 2.5 × 10^–6 coulombs of charge from point A to point B in an electric field requires 6.3 × 10^–4 joules of work. The potential difference between points A and B is approximately__________.
252 V
400
Divide 110 into two parts so that one will be 150% of the other. What are the two numbers?
44 and 66
500
Charge of 2 protons?
3.2*10^-19 C
500
Put in order from non conductor to conductor!
Silver, silk cloth, Wet body
Silk cloth, wet body, silver
500
What is the force between two 0.0005 coulomb charges at 0.002 meters from each other?
5.625 x10^8 N
500
what is difference between electric potential energy and electric potential?
The work done by the electric forces is equal to the
negative of the change in potential energy of the charge.
Electric potential and is defined as the electric potential energy per unit charge.
500
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