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More ****ing physics that I'll prob fail
Terms in this set (28)
What the **** is the dominion science problem?
Looking for a defect at an atomic level
What is a theoretical approach to explain 3-D phenomenon?
A field model
What shows the direction of the electric force at each point in a field?
Lines of electric force
A positive charge that is small enough that it exerts negligible force on other charges in the the mother trucking problem?
The force per unit positive charge at each point in the electric field?
Electric field strength (E)
What kind of quantity is electric field strength?
Properties of a diagram of electric fields?
Points positive to negative
Gives direction of force
Shows relative magnitude
Lines never cross
Can be shown by experiment
The measure of the amount of mechanical work necessary to move a charge from one location of a point charge to a radical location?
Electrical potential charge
The amount of work per unit charge that is needed to move a charge the same distance from a point charge?
Compare units for electrical potential energy and gravitational potential energy?
They are the same
The difference in election potential energy between any 2 positions?
The potential difference
Units for potential difference?
The work required to move a positive charge of any size to one location in an electric field is equal to _______?
The difference in electrical potential energy between those locations
An imaginary surface in an electrical field on which the electric potential is the same at all points?
For a flat plate that forms an equipotential surface, how much work is done on a test charge moved parallel to the plates surface?
Where is the strongest electric field around a U shaped equipotential surface?
Inside the U
What microscopes are capable of inspecting crystal structures at an atomic level?
Scanning, tunneling electron microscopes
What properties of electrons does the STM use?
2 devices for storing charges?
Layden jar, and capacitor
Name the parts of a capacitor?
•2 conducting plates
•spectators by insulating material
Which of the 3 states of matter tends to have the lowest dielectric constant?
If a capacitor has a larger dielectric constant, then is ability to store charge for a given potential difference is______?
SI unit for capacitance?
Any device that is used in a electrical circuit?
Examples of electrical components?
Resistors, switches, and capacitors
How can total capacitance of a circuit be increased?
Use plates closer together
If the thickness of the lead layers coating the layden jar were greater, would the jars capacitance be greater?
What does creating a higher electrical potential between plates of a capacitor do to capacitance?
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