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science6studyguide

science

QuestionAnswer
Open circuit no current flows in this circuit
Dry cell individual batteries
Fuse a small piece of wire that melts
Resistance tendency of a material to oppose a flow of electrons
Circuit breaker a piece of metal that bends
A path that allows only one rout or a current is called a _____ Series circuit
A circuit that has 2 or more separate branches or current is a _____ Parallel circuit
The statement current is equal to the voltage difference divided by the resistance is known as ____ Ohm’s law
A static discharge differs from a electric current in that a static discharge _____ Last for only a fraction of a second
Eclectic charge that has accumulated on an object is referred to as ____ Static electricity
Resistance is measured in a unit called the___ Ohm
The rate at which an electrical device converts energy from one form to another is called ___ Electrical power
Which of the following is the correct relationship among power,current,and voltage p= I (times) V
One source of constant electric current is a _____ Dry cell
A material through which electrons do not move easily is a ___ Insulator
Lightning is ____. A very large discharge of static electricity
The voltage ____ as current moves through a circuit Vary s
Which of the following is a devise designed to open an over loaded circuit and provent over heating Circuit breaker
What is the name of instrument shown in the diagrame Electro scope
Electrical weirs sometimes have a plastic coding raped around them. How does this make the wiers safer to handel Plastic is a good insulator
Why is this lithium atom electrically neutral The number of protons the number of electrons
Which of these devices provides safety in an electric current circuit breaker
Most of the electrical energy used by a toaster is converted to _____ Heat energy
Which of the following instruments would be used to measure electric energy uses Kilowah hours A
Created by: amgrace
 

 



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