ELECTRICITY-1
ELECTRICITY-2
ELECTRICITY-3
ELECTRICITY-4
ELECTRICITY-5
100
When electricity moves only in one direction
Direct current or DC
100
Copper is a good __________ of electricity.
Conductor
100
The basic building blocks of all objects and substances.
Atom
100
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
100
What part of a circuit is this object?
Energy source or Battery
200
How easy it for electricity to flow through a circuit...
Resistance
200
This allows electrical flow to happen easily.
Conductor
200
How to calculate the resistance of a circuit
V= RI
Voltage = resistance * Current
200
Does this diagram represent a series or parallel circuit?
Series circuit
200
Does this diagram represent a series or parallel circuit?
Parallel
300
What charges does an electron, proton and neutron have ?
Electron- positive
Proton-negative
Neutron- neutral
300
A complete loop through which an electrical current travels.
Closed circuit
300
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
300
Does this diagram represent a series or parallel circuit?
Parallel Circuit
300
What can make electrons in a circuit flow or stop?
Switch
400
Electric charges builds up on the surface of an object
Static electricity
400
What types of charges attract ?
Unlike charges.
400
What do we call current that changes direction ?
Alternating current (AC)
400
What happens to the brightness of the light bulbs in a series circuit when you add more lights?
Each bulb gets dimmer
400
How many volts of electricity comes through a typical wall outlet in your home?
220V - 240V
500
Continue movement of electron flow in a circuit
Current
500
The inventor of the lightbulb was?
Thomas Edison
500
What is the unit of measurement for electrical current?
Ampere or Amps
500
If the resistance of a circuit is 5ohms and it has a current of 10A, what is the voltage?
V = RxI --> V=5x10 --> V=50
500
What does L.E.D stand for?
Light-Emitting Diode