Design and analyse of a circuit which turns a DC motor at a speed which is...

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Electrical Engineering

Design and analyse of a circuit which turns a DC motor at aspeed which is proportional to how much a temperature is away froma set temperature, and turns:
Clockwise when temperature is greater than (say) 25 degreesC.
Anticlockwise when the temperature is less than (say) 20 degreesC.
Such a circuit might be used to regulate the temperature of aroom by turning a ceiling fan to move warm air in/out of that room(using the roof cavity).
Report with following details
1. A full Block Diagram showing all from Input to Output.
2. Design calculation for each block
3.Full parts list
4. Circuit diagram

Answer & Explanation Solved by verified expert

4.1 Ratings (541 Votes)

2calculationfor each blockA Thermistor A thermistor is an electroniccomponent that exhibits a large change in resistance with a changein its body temperature The word Thermistor is actually acontraction of the words Thermal Resistor The thermistors whichare to be described herein are ceramic semiconductors and haveeither large positive temperature coefficient of resistance PTCdevices or large negative See Answer

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