WorksheetsElectronics Quiz Revision 1
Total questions: 30
Worksheet time: 15mins
The Unit for the overall power in a circuit is:
watts
voltage
current
resistance
This is used to:
warm up the soldering iron
clean the soldering iron's tip
get metal onto the soldering iron
none of the above
In a circuit, if resistance increases, current will _____________.
Increase
Stay the same
Decrease
LED is the abbreviation for
Left End Diode
Large Energized Diode
Light Emitting Diode
what type of device is this?
it is a transistor
it is a capacitor
it is an amplifier
it is a power supply
What is this component called?
it is a transistor
it is a diode
it is a capacitor
it is a resistance
What is the correct formula of Ohm's Law?
V = IR
R= R1+R2+R3....
Work= Force X Distance
What is this component called?
a capacitor
a resistor
a coil
an amplifier
Plastic, Woods and Glass are good examples of __________.
Insulators
Conductors
Semiconductors
Voltage sources
A parallel circuit is brighter because...
All the lamps share the current from the battery
Each lamp has its own pathway to the battery
The lamps have larger filaments, so they are brighter
There is only one pathway
Our 9 volt batteries have this type of current
variable
indirect
alternating
direct
The red wire coming from the battery is the
neutral wire
positive wire
negative wire
When a switch is open the lamp...
Will be on
Will be off
Will be making a short circuit
Which is the most efficient type of light bulb?
Incandescent
Fluorescent
CFL
LED
What does this schematic symbol represent?
Lamp
Wire
Switch
Resistor
What does this schematic symbol represent?
Switch
Lamp
Wire
Resistor
The two connectors on the battery are called...
Resistors
Terminals
Switches
Snaps
The pathway through which current flows...
Current
Circuit
Circus
Serious
Series circuit
Components connected one after another
Components connected side by side
Components connected in a short circuit
Components connected in perpendicular
A series circuit has dim lamps because...
Each lamp has it's own pathway to the battery
Each lamp is side by side
The lamps have to share the current
The lamps amplify the current
Name the component?
Battery
Voltage Regulator
Resistor
TV
An LDR is a/an:
Input
Process
Output
Cheese Cake
What switch is this?
Push to Make
Push to Break
Counter Switch
Rocker Switch
Which one of the following NPN transistors is correctly labelled?
What does this symbol represent?
Buzzer
Motor
LED
Diode
