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WorksheetsNight Light - Systems
Total questions: 21
Worksheet time: 11mins
What is this component called?
LDR
Transistor
Resistor
Variable Resistor
What is this component called?
LDR
Resistor
LED
Variable Resistor
LED stands for?
Light Emitting Diode
Long Electric Diode
Light Extracting Diode
Lighting Editing Diode
2D Design is an example of what?
CAD
CAM
A laser cutter is an example of what?
CAD
CAM
Preferred values of resistors are used for what?
To save having to make a resistor for every value
For specific products
Circuits with and LDR
Circuits with a thermistor
This is an example of a good solder joint.
True
False
The A in ACCESS FM stands for what?
Appearance
Appeal
Aesthetics
Audience
Volts law is used to calculate resistance, current and voltage.
True
False
Resistors are measured in what?
Ohms
Farads
Volts
Amps
What does CAD stand for?
Computer Aided Development
Computer Aided Design
Customer Aided Design
Continuous Automated Design
What does CAM stand for?
Computer Aided Manufacture
Computer Aided Making
Customer Aided Making
Continuous Automated Manufacture
A finite resource is one that will what?
Run out
Last forever
Fossil fuels like coal and oil are examples of what type of energy?
Renewable
Non-renewable
Wind, solar and hydroelectric are all examples of what type of energy?
Renewable
Non-renewable
Fossil fuels are a non-finite resource:
True
False
Hydroelectric power stations such as dams can have a negative impact on the environment
Tue
False
Renewable energy sources have relatively low running costs once they have been set up and are working.
True
False
What are TWO ways you can identify the negative side of an LED?
Rounded Edge
Flat Edge
Shorter Leg
Longer Leg
What component is this the circuit symbol for?
LED
LDR
Variable Resistor
Transistor
Why are LEDs being used more frequently in traffic lights? Select all answers you think are true.
They are hardwearing
They are more energy efficient
If one LED breaks the rest will still work
They are more challenging to repair
