Tinkercad P5 Quiz 2

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