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Current Electricity
Test Description: What is current electricity?
Instructions: Answer all questions to get your test result.
1) In order for electricity to flow, electricity must follow a ______ path.
A
complete
B
no
C
incomplete
D
any
2) The complete path that electricity can move through is called a?
A
discharge
B
switch
C
circuit
3) The electricity that FLOWS through a circuit is called?
A
a discharge
B
current electricity
C
static electricity
4) ___________ electricity does NOT flow.
A
lightning
B
static
C
current
5) Current electricity will flow only through a ______ circuit.
A
any
B
closed
C
open
6) If there are gaps or breaks in a path, it is called an _______ circuit.
A
opened
B
parallel
C
closed
7) A device called a _______ controls the flow of current in a circuit.
A
filament
B
amphere
C
switch
8) When a switch is in the closed position, the circuit is closed and current will?
A
will open
B
not flow
C
will flow
9) When a switch is in opened position, the circuit is opened and current will
A
will close
B
flow
C
not flow
10) The strength of electrical current is measured in ?
A
ounces
B
liters
C
ampheres
11) _____ allow electrical energy to be changed to other forms of energy.
A
filaments
B
resistors
C
switches
12) Because the filament of a light bulb is a resistor, it allows the light bulb to change electrical energy to ?
A
light and heat
B
filaments and resistors
C
stored energy
13) When too much current flows through a conductor is it called a?
A
closed circuit
B
open circuit
C
short circuit
14) One way to make current electricity is to use a _______, which changes chemical energy into electrical energy.
A
filament
B
cell
C
switch
15) A circuit that has two objects connected in a single path, is a _____ circuit.
A
open
B
parallel
C
series
16) A circuit that connects each object to the cell separately is a ______ circuit.
A
open
B
series
C
parallel
17) When dangerously high current flows through a _____ a thin metal strip melts, creating an open current stopping the flow of electricity.
A
battery
B
light bulb
C
fuse
18) Current electricity ___________ flow.
A
does
B
changes
C
does not
19) An ___________ allows electricity to flow through it.
A
conductor
B
insulator
C
rubber glove
20) A ____________ does not allow electricity to flow through it
A
insulator
B
conductor
C
metal
*select an answer for all questions
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