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WorksheetsAllElec
Total questions: 32
Worksheet time: 30mins
What is electricity?
flow of electrons
flow of copper atoms
light
movement of air
A circuit that consists of single loop is called a __________________________.
series circuit
parallel circuit
a loop-de-loop
cycle
A circuit that has more than one path is called a _________________________.
series circuit
parallel circuit
double cycle
a dead-end circuit
If a bulb is removed from this circuit, the other bulb will
go out
still glow
glow brighter
dim
If a bulb is removed from this circuit, the other bulb will
go out
still glow
dim
burn out
Most conductors are
metals
nonmetals
insulators
metalloids
(Look at picture for question)
A device that restricts or opposes the flow of electrons
A device that allows easy flow of electrons
A device that can be used as a battery
A device that measures electric current
What component of a circuit does this picture represent?
Fuse
Resistor
Battery
Wire
What component of a circuit does this picture represent?
Fuse
Resistor
Battery
Wire
This is an example of what type of circuit?
simple
series
parallel
What does LED stand for?
Laser Emitting Diode
Light Energy Diode
Luminous Electric Device
Light Emitting Diode
What is this board called?
Arduino
Breadboard
Mucrontroller
Electricity Board
What component is this?
Pushbuttons
LEDs
Jumper Wires
Resistors
What component is this?
Resistor
LED
Diode
Jumper Wire
LEDs have a positive and negative leg and they only let electricity flow through them in one direction.
True
False
(a) resist the flow of electricity. You can use them to protect sensitive components.
The shorter leg (flat head) of an LED is negative charge.
True
False
LEDs have a positive and negative leg and they only let electricity flow through them in one direction.
True
False
Identify the symbol.
LED
NPN transistor
photodiode
PNP transistor
