Electricity
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| show | Electrostatics
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| When an object has too few or too many electrons, it is said to be... | show 🗑
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| 3 ways electrification can be created | show 🗑
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| A connection that causes electrons to flow from one place to another. | show 🗑
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| The rubbing off of electrons by some kind of object. | show 🗑
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| Magnetic field around charges will interact with each other and push charges to opposite end of the other object. Electrons are grounded as a way to get them out. Involves no touching. | show 🗑
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| show | Unlike charges attract, like charges repel. Electric field radiates outward from a positive charge and inward toward a negative charge.
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| show | electrostatic force
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| Describe Law #2 of Electrostatics | show 🗑
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| show | How electric charges are distributed: When an object becomes electrified, the electrons spread out over the surface of the object
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| Describe Law #4 | show 🗑
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| The force with which electrons travel; the function of difference in number of electrons between 2 points | show 🗑
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| The study of electric charges in motion | show 🗑
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| Any substance through which electrons can flow easily | show 🗑
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| show | Insulator
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| show | Semiconductor
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| show | Superconductor
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| According to Ben Franklin, positive charges move towards negative charges which stay put. | show 🗑
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| This is created when the resistance of electron flow is controlled and the conductor is made into a closed path. | show 🗑
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| Describe Ohm's law and state the formula | show 🗑
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| In a ____ _____ all circuit elements are connected in a line along the same conductor. | show 🗑
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| show | 1. The total resistance is equal to the sum of the individual resistances.
2. The current through each circuit element is the same and is equal to the total circuit current.
3. The total voltage is equal to the sum of the voltages across each circuit.
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| A ____ ____ contains elements that are connected at their ends rather than lying in a line along a conductor. | show 🗑
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| show | 1. The sum of the currents thru each circuit is equal to the total circuit current.
2. The voltage across each circuit element is the same and is equal to the total circuit voltage.
3. total resistance=inverse of the sum of the reciprocals of each resis
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| List the 4 things that influence resistance | show 🗑
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| What is the function of a radiographic unit? | show 🗑
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| show | Battery, drill, curling iron
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| show | Have same magnitude but opposite signs.
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| show | Protons are fixed in the nucleus, electrons can move from shell to shell of different atoms
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| show | Removal of electrons electrifies those substances
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| Give 2 examples of static electricity | show 🗑
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| How many protons are there in the universe | show 🗑
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| What is the natural electrical state of all matter | show 🗑
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| show | bringing a positively electrified object near a neutral object and some electrons may jump from neutral to positive one
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| what is the natural ground | show 🗑
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| how does grounding work | show 🗑
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| show |
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| what is the smallest unit of electric charge | show 🗑
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| show | coulomb
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| how many electric charges in 1 coulomb | show 🗑
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| show | field that surrounds each electric charge
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| do uncharged particles have electric fields? | show 🗑
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| show | newtons
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| what is the unit of charge in coulombs law | show 🗑
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| How is the force of attraction/repulsion affected by increasing the magnitude of charge (in Coulombs law) | show 🗑
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| show | more force attracting or repelling
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| show | indirect
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| what is the relationship between force and charge | show 🗑
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| What causes electric potential energy | show 🗑
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| what is the unit of electric potential | show 🗑
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| show | voltage
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| show | higher voltage, higher potential to do work
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| how does the size of voltage relate to the ability to do work | show 🗑
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| show | 110 volts
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| show | electric charges in motion
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| show | the application of an electrical current along a conductor
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| what is current | show 🗑
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| differentiate between current and charge | show 🗑
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| what direction do electrons flow | show 🗑
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| show | going toward negative point
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| compare current direction to electron flow | show 🗑
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| give 3 examples of a conductor | show 🗑
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| give 3 examples of insulators | show 🗑
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| give 2 examples of semiconductors | show 🗑
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| show | it increases
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| show | resistance decreases
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| what is the relationship between resistance and electron flow | show 🗑
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| what is necessary to make electrons move | show 🗑
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| define amperage | show 🗑
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| show | I
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| show | volts
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| symbol for electric potential | show 🗑
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| show | ohms
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| show | R
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| show | electrons are inhibited from flowing
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| what will happen is the voltage is constant and the amperage is increased | show 🗑
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| show | current in which electrons flow in one direction along the conductor
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| show | current in which electrons oscillate back and forth
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