What is electricity?
a form of energy created by charged or moving electrons or protons.
_______ is simple symbols used in circuit diagrams.
electrical symbols.
Unidirectional flow of electric charge is indirect current?
TRUE or FALSE
FALSE
Direct Current
Open or Closed circuit is a broken path that does not allow energy or electricity to flow?
OPEN
an electrical component that can break an electrical circuit.
A. switch
B. dry cell
C. current
A. switch
what are electric particles?
particles inside atoms with negative and positive charges.
Voltage
A chemical device used to store electrical power is battery?
TRUE or FALSE
TRUE
An electric charge that stays on an object.
ELECTRICITY or STATIC ELECTRICITY
STATIC ELECTRICITY
Comes from the motion of tiny particles in matter. The faster the particles move, the warmer the matter can get.
A. energy C. thermal energy
B. current energy
C. thermal energy
What is static electricity?
the buildup of electrical charges on an object.
_____ is the energy a charge has in its location of the electric field.
Electrical potential energy.
An electron which is held tightly in its orbit around the nucleus of an atom is bound electron?
TRUE or FALSE
TRUE
Invented the lightning rod.
Discovered electricity.
Benjamin Franklin or Thomas Jefferson
Benjamin Franklin
Wires wrapped around a metal object and connected to an energy source like a battery.
A. Battery
B. Electromagnet
C. Magnet
B. Electromagnet
What is a circuit?
the path which electric current flows.
_____ is the movement of energy from one object to another.
Energy transfer
AC is for air conditioning?
TRUE or FALSE
FALSE
Alternating Current (AC)
Invented dynamo and discovered the electromagnet.
Benjamin Franklin or Michael Faraday
Michael Faraday
a combination of circuits that have two or more paths for objects to have an electrical path
A. Series circuit
B.parallel circuit
C.closed circuit
B. Parallel circuit
What is an alternating current?
a flow of electric charge that regularly reverses its direction.
____ Is a device designed to transmit electricity or heat
Conductor
Rectifier is an apparatus that changes direct current to alternating currents.
TRUE or FALSE
TRUE
Thomas Edison invented the
the light bulb or dry cell?
The light bulb
a material that electric current cannot flow through easily.
A. insulator
B. conductor
A. insulator