This video describes:
What is NTC Thermistor?
Use of NTC Thermistor in vehicle?
How coolant temperature sensor works?
How NTC Temperature sensors installed in a circuit?
How to use this sensors in vehicle?
How to check / diagnose different faults related to temperature sensors in vehicle?
For videos to understand basic electrical, series and parallel circuit
Link for basic electrical, part 1 video: https://youtu.be/6dX8-nI9Jtg
Link for basic electrical, part 2 video: https://youtu.be/YmHUOTxG-b4
Link for basic electrical, part 3 video: https://youtu.be/cktVcsbydxo