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Electricity
Test Description: Electricity concepts and vocab
Instructions: Answer all questions to get your test result.
1) Current always follows
A
a path made of wire
B
a closed path
C
an open circuit
D
a path containing an electrical device
2) When you open a switch in a circuit, you
A
form a closed path for current
B
reverse the current
C
turn on its electrical devices
D
turn off its electrical devices
3) Which of the following parts of circuit changes electrical energy into another form of energy?
A
base
B
voltage source
C
conductor
D
resistor
4) What happens when more than one voltage source is added to a circuit in series?
A
the voltage of each source decreases
B
the voltages cancel each other out
C
the voltages are added together
D
the voltage are multiplied together
5) Which of the following is an electrical device?
A
hairdryer
B
toaster
C
all of them
D
light bulb
6) What is a pathway for the flow of electricity?
A
tunnel
B
circuit
C
wire
D
current
7) What provides the energy to light a light bulb?
A
voltage source
B
circuit board
C
magnetic field
D
electric field
8) In a simple series circuit, why does the bulb light when you close the switch?
A
closing the switch breaks the circuit
B
the switch produces electricity
C
it gets energized
D
closing the switch completes the circuit
9) If there is a 1.5V battery and a bulb on a simple series circuit and the battery is changed to a 3V, what happens to the bulb?
A
it gets dimmer
B
nothing happens
C
it gets brighter
D
it gets overheated
10) What do the long straight lines represent in a circuit diagram?
A
motors
B
connections
C
batteries
D
wires
11) When charge builds up on your body after rubbing your feet on the carpet, what happens?
A
magnetic field
B
static electricity
C
shock waves
D
electric charge
12) Particles with like charges
A
detract
B
fuse
C
pull on each other
D
push each other away
13) A material through which electricity doesn’t flow.
A
open circuit
B
closed circuit
C
conductor
D
insulator
14) A device that can open/close a circuit is called a(n)
A
schematic
B
switch
C
closed circuit
D
open circuit
15) A parallel circuit is a circuit in which
A
current speeds up
B
current follows more than one path
C
current follows a single path
D
current stops flowing
16) The flow of electricity through a conductor is called
A
repulsion
B
current
C
electric field
D
attraction
17) In a series circuit if one of the bulbs burns out,
A
the circuit will be broken and the other bulbs will be dark.
B
the other bulbs will be dimmer.
C
the other bulbs will continue to glow.
D
the other bulbs will be brigher.
18) As you add more and more light bulbs to a series circuit,
A
each bulb in the circuit grows dimmer and dimmer
B
the bulbs burn at their brightest
C
the circuit is broken
D
the bulbs stop glowing
19) Circuits convert electrical energy into other forms of energy such as
A
mechanical
B
all of them
C
heat
D
sound
20) A static charge is
A
the space around a particle through which an electric charge can exerts its force
B
property that allows an object to exert an electric force on another object without touching it
C
a buildup of electric charge in an object caused by the presence of many particles with the same charge
*select an answer for all questions
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