Electronic Sensing System Multiple Choice Questions (MCQ) PDF Download

MCQ 1: A sensing device is also called

1. transistor
2. thermistor
3. sensor
4. transducer

MCQ 2: Change in length and cross-sectional area of metal wire changes

1. current
2. voltage
3. resistance
4. magnetic effect

MCQ 3: A light dependent resistor is made up of

1. low resistance semiconductor
2. low resistance metal
3. high resistance semiconductor
4. high resistance metal

MCQ 4: A component whose property changes when there is a change in any physical quantity of a device is

1. processor
2. sensor
3. output device
4. portable device

MCQ 5: When temperature rises, resistance of negative temperature coefficient thermistor

1. increases
2. decreases
3. zero
4. infinity