What charges does an electron, proton and neutron have ?
Electron- positive
Proton-negative
Neutron- neutral
A complete loop through which an electrical current travels.
Closed circuit
If you have a 12 Volt battery placed across a 6 Ohm resistor, what will the current be?
I = V/R = 12/6 = 2 A
Does this diagram represent a series or parallel circuit?
Parallel Circuit
The flow of electrical charges, represented by the letter "I" is called ____.
Current
What type of material allows electricity to flow?
Conductor
What is Ohm's law
V= IR
Voltage = resistance * Current
Does this diagram represent a series or parallel circuit?
Series circuit
Rubber -insulator or conductor
insulator
Aluminium foil - conductor or insulator ?
Conductor
Does this diagram represent a series or parallel circuit?
Parallel
If you place a 50 Volt power source across a 10 Ohm resistor, what will the current be?
I = V/R = 50/10 = 5 A
What kind of circuit is this?
Series
Wood - Conductor or Insulator
What is the unit of measurement for electrical current?
Ampere (A)
Does this diagram represent a series or parallel circuit?
Parallel
Static electricity
What types of charges attract ?
Unlike charges.
What opens and closes a circuit?
Switch
What happens to the brightness of the light bulbs in a series circuit when you add more lights.
Each bulb gets dimmer