Current and Voltage Difference
Electrical Current definition
the net movement of electric charges in a single direction
What batteries are the most known?
Dry cell batteries
ohms
Ohms Law definition
The current in a circuit equals the voltage difference divided by the resistance.
What disease does Maya's dog have?
Diabetes
related to the force that caused electric charges to flow
Definition of a water circuit ?
A pump is used to provide a pressure difference
The resistance increases as the wire becomes what?
thinner
Ohms Law equation
I=V/R
What is Maya's middle name?
Shawn
What is current measured in?
amperes
Electrolyte definition ?
A cell consists of two electrodes surrounded by a material
The resistance of a wire depends on what ?
the length and diameter of the wire
The object’s resistance then equals what?
the voltage difference divided by the measured current
What is Sawyer's middle name?
Aaron
does water flow from lower to higher pressure or higher to lower pressure ?
higher to lower
Why is it called a dry cell?
the electrolyte is a moist paste and not a liquid solution
The resistance of an conductor increases as the _____ _______ ______
wire becomes longer
The Electric resistance of most materials usually what?
increases as the temperature of the material increase
How many animals does Sawyer have?
Or whats his turtles name?
5
Spankie
according to the book, one ampere is equal to how many electrons flowing past a point every second?
6,250 million billion
how do you keep an electric current continually flowing in the electric circuit ?
maintain a voltage difference in the circuit
Resistance definition ?
the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light
The resistance of an object such as a wire also depends on what?
length and diameter of the wire.
What is maya's hamster/fishes names?
(say at least 2 of the fish or the hamster)
Fish - Billy, Rocky, and Angie
Hamster - Benjamin/Benji