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