WorksheetsTinkercad P5 Quiz 2
Total questions: 10
Worksheet time: 5mins
When light falls on the surface of the photoresistor its _________ changes.
Shape
Power
Resistance
When its total darkness, Resistance is _______ …less power/Voltage
High
Low
Medium
Extreme
In our case we are using a 2MΩ(Mega Ohms) photoresistor.
This means that when exposed to total darkness, its resistance will be around ___________.
2 Million Ω
3 Million Ω.
22 Million Ω.
4 Million Ω.
The MORE light the _______ RESISTANCE…MORE VOLTAGE/POWER
Less
more
high
stronger
The photoresistors resistance changes when exposed to ______,
its resistance will drop to 20-30kΩ.
low light
darkness
red light
bright light
The _______works like an electronic switch. It can turn a current ON and OFF.
resistor
photoresistor
transistor
hobby motor
Resistance of photoresistor sensor is low in brightness
True
False
Resistance of photoresistor sensor is high in darkness
False
True
We use a __________________ to switch off the light automatically.
Solar Cell
Battery
Photocell
Photsynthesis
It is also known as a Photoresistor, Photocell, Photoconductor.
Light Emitting Diode
Light Dependent Resistor
Resistor
Transistor
