Sensors

A sensor is a device that converts.......?

• Electrochemical or electronic sensors that convert and transmit data digitally via cables

• Physical quantity into electric signal

• External parameters and gives analog voltage as an output

• All

Microphone sensor that converts....?

• Sound into a digital signal

• Sound into an analog signal

• Sound into an electrical signal

• None

The most popular microphone sensors are our mobile phones which we can use for...................?

• Calling

• Recording Voice

• Recording Video

• All

A temperature sensor are example for a digital sensors.

• True

• Fales

A sensor is a module or chip that observes the changes happening in the physical world and sends feedback to the microcontroller or microprocessor.

• True

• Fales

PTC thermistors “Positive Temperature Coefficient". Are resistors with a positive temperature coefficient, which means?

• That the resistance increases with increasing temperature.

• That the resistance decreases with increasing temperature.

• None

• that converts the temperature of the surrounding environment into an electrical signal.

NTC thermistors "Negative Temperature Coefficient".  Are resistors with a negative temperature coefficient, which means that the resistance decreases with increasing temperature.

• True

• Fales