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WorksheetsElectrical Circuits
Total questions: 20
Worksheet time: 15mins
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
Electricity is the flow of _________.
Volts
Neutrons
Charge
Which of the following devices measures current in an electric circuit?
an ammeter
an ohmmeter
a voltage meter
a resistor
In a closed circuit, how does battery voltage affect current?
As voltage increases, current increases.
As voltage increases, current decreases.
Voltage has no affect on current.
If voltage exceeds current, a short circuit circuit will develop.
An electrical circuit is powered by a 1.5-volt battery and contains a light bulb producing 5 Ohms of resistance. There is also another 5 Ohm resistor in the circuit. How many amps of current are in this circuit? HINT: V = IR
0.15 amps
15.0 amps
6.67 amps
1.50 amps
What is this the symbol for?
LED
LDR
Thermistor
Variable Resistor
Which is the correct symbol for a thermistor?
What is the unit of charge?
Amps
Volts
Coulombs
Watts
What device does this graph represent?
Diode
Fixed resistor
Filament lamp
Thermistor
What device does this graph represent?
Diode
Fixed resistor
Filament lamp
Thermistor
What device does this graph represent?
Diode
Fixed resistor
Filament lamp
Thermistor
Which of the following has a resistance that decreases with temperature.
Filament bulb
thermistor
Light dependent resistor
Diode
Which of the following has a resistance that decreases with light intensity.
Filament bulb
thermistor
Light dependent resistor
Diode
