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