https://padlet.com/lewisf227/7jv88e1zeks2 Made with the best of intentions en-us 2019-04-25 10:02:56 UTC 2025-11-24 08:50:35 UTC hello@padlet.com lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045190 Voltage is directly proportional to current provided resistance remains constant ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045190 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045194 U=i x r ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045194 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045197 An increase in resistance will cause a decrease in current provided the voltage stays the same]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045197 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045199 Q= i x t]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045199 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045200 Effects of electric current 
Heating effect 
Magnetic effect
Chemical effect]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045200 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045201 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045201 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045202 Ohm’s Law states that the current ( I ) flowing through a circuit is directly proportional to the potential difference ( U ), across that circuit, and inversely proportional to the resistance ( R ), of that circuit, provided the temperature remains constant]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045202 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045203 Common conducting materials
Silver
Copper
Gold
Aluminium 
Common insulating material 
PC
Rubber
Plastic
Glass 
(The better graham)]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045203 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045204 RT is also known as equivalent resistance 
(Graham)]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045204 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045205 The copper atom consists of 29 electrons, 29 protons and 35 neutrons ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045205 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045208 Like poles repel unlike poles attract 
- to + ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045208 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045209 Ammeter is used to measure current (i)]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045209 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045210 In a battery
The anode is the positive plate and the cathode is the negative plate 
(Graham)]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045210 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045211 Load is anything placed in a circuit ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045211 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045212 Electrons and protons attract]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045212 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045213 The ohmmeter measures resistance and is normally non-linear ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045213 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045215 An unbalanced atom is an atom that has gained or lost one or more electrons ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045215 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045216 Better Be Right Or Your Great Big Venture Goes Wrong 
Black 0
Brown 1
Red 2
Orange 3
Yellow 4 
Green 5
Blue 6
Violet 7
Grey 8
White 9

Gold +/- 5%
Silver +/- 10%
No bond +/- 20%]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045216 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045217 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045217 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045218 Voltage remains the same in a parallel branch]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045218 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045219 When 1 coulomb passes a given point in one second, a current of one ampere is said to flow ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045219 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045220 Actual current flow is negative(-) to positive(+)]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045220 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045221 An atom that has lost or gained 1 or more electrons is call An Ion 
( Leon ) ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045221 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045222  Finding the rt in a series circuit 
Rt = R1 + R2 + R3....]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045222 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045223 Electron flow - to + 

Conventional current flow from + to -]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045223 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045224 Find the Rt in a parallel 
1/Rt = 1/R1 + 1/R2 + 1/R3 ....

]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045224 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045226 SI Units
—————
Mega
Kilo
Hecto
Deca
Unity
Deci
Centi
Milli
Micro
Nano
Pico

]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045226 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045227 Cross sectional area: a= pie x diameter squared ÷ 4]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045227 lewisf227 https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045228 1 Amp = 1,000 milliamps = 1000mA
0.1 Amps = 100 milliamps = 100mA 
0.01 Amps = 10 milliamps = 10mA ]]> 2019-04-25 10:02:56 UTC https://padlet.com/lewisf227/7jv88e1zeks2/wish/354045228