Darstar's fun quiz
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Terms
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- conservation of charge
- the law that states that charges are neither created nor destroyed but only transferred from one material to another
- electric current
- the flow of electrical charges through a material
- electric field
- the region around a charged object where the object's electric force interacts with other charged objects
- What is one important difference between magnetism and electricity?
- magnetism cannot exist alone but electricity can exist alone
- voltage
- the difference in electrical potential energy between two places in a circuit
- electric circuit
- a complete, unbroken path through which electric charges can flow
- induction
- a method of charging an object by means of the electric field of another object; the object has no direct contact
- What is the "path of least resistance"?
- this means that the person is doing something in the easiest way possible
- the unit of measure for resistance is an upside down pie?
- T or F
- electric force
- the attraction or repulsion between electric charges
- friction
- a method of charging an object by rubbing it against another when the two rub against each other
- What is the difference between charging by induction and charging by conduction?
- charging by induction is the movement of electrons to one part of an object that is caused by the electric field of a second object. charging by conduction is the transfer of electrons from a charged object to another object by direct contact
- Charges that are the same repel each other?
- T or F
- Charges that are different attract each other?
- T or F
- insulator
- a material through which charges cannot easily flow
- Why don't you get a shock from touching an extension cord?
- the cord allows charge to continue to the appliance, but stops it from flowing into your hand and shocking you
- What is a voltage source?
- a voltage source is a device that creates a potential difference in an electric circuit
- What is electric force?
- in electricity, electric force is the attraction or repulsion between electric charges
- static discharge
- the loss of static electricity as electricity as electric charges transfer from one object to another
- voltage source
- a device that creates an electrical potential energy difference in an electric circuit; batteries and generators are voltage sources
- resistance
- the measurement of how difficult it is for charges to flow through a material
- What is an electric circuit?
- an electric circuit is a complete, unbroken path through which electric charges can flow
- conduction
- a method of charging an object by allowing electrons to flow by direct contact from one object to another object
- conductor
- a material through which charges can easily flow
- static electricity
- a buildup of charges on an object