series and parallel cirutits
how does series circuits differ from parallel circuits?
parallel circuits have multiple branching pathways for electrical current were as a simple circuits forms a single path.
what is electrical energy measured in?
kilowatts aka kwh
if the wires get too hot, the insulation can ____ and cause a fine.
melt
what is electrical power?
is the rate at which electrical energy is converted to another form of energy
how many grams are there in one lb.
453.6 grams
what is the function of a circuit breaker?
is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload of short circuit.
what is the equation for electrical energy
A:E=p(t)
another device that prevents a circuit from overheating is.
circuit breakers
what is the equation for electrical power?
P=IV
examples of chemical properties.
flammability, reactivity
explain what determines the current in each branch of a parallel circuit.
the current is determined by the resistance of each branch. the voltage differences across each branch are the same.
a refrigerator operates on average for 10.0h a day if the power the refrigerator is 700w how much electrical energy does the refrigerator use in one day
E=10.0kw(7ooh)= 7,00kwh
what is a piece of equipment designed to perform a special function?
device
The current in a clothes dryer..
is when it is plugged into a 240-volt, outlet
liquids can change what?
volume
infer whether a circuit breakers should be connected in parallel to the circuit that it is protecting.
if you were to connect a fuse or circuit breaker in parallel with a circuit, it would create a short circuit, and immediately melt (fuse) or trip (circuit breaker). these devices must be connected in series with the load.
a microwave oven with a power rating of 1,200w is used for 0.25h how much electrical energy did the power company provide for the microwave?
E=1.2kw(.25h)=30kwh= .30kwh
The main switch and ______ of fuse box serve as an electrical head quarters for your home.
circuit breaker
what is the power of a dryer?
P=(15A)(240V)= 3,600w
what is a mixture
a combination of two or more substances that are not chemically combined.
in a series-- parallel circuit, individual component power dissipations are calculated using.
individual component parameters
P=13kw T=0.45n what is E
1.3kw (0.45n)= .585 kwh
An _____ _____ contains a small piece of metal melts if the if the current becomes too high
electrical fuse
electrical energy's converted to _______ _____ as the blades of a fan rotated to cool you.
Mechanical energy
whats taliah's birthday
April 16th