thermometer.png

Thermometer

Theme B - The Particulate Nature Of Matter

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Rocket

Theme A - Space, Time & Motion

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Water Wave

Theme C - Wave Behaviour 

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Magnifying Glass Tilted Right

Theme D - Fields

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Microscope

Theme E - Nuclear & Quantum Physics

Thermistors: Think of thermo (temperature) + resistor. They change resistance with temperature.

Chemical elements: Silicon and Germanium (Si and Ge if you&#39;re feeling nerdy 🤓).

<ul>
	<li>Let&#39;s focus on the star of the show: Negative Temperature Coefficient (ntc) thermistor.</li>
</ul>

✨ Fun Fact: As the temperature of an ntc thermistor goes up 🌡️, its resistance goes down 📉.

 
This is like the opposite day for metals!

<ul>
	<li>🎶 Metals
	<ul>
		<li>Lots of free electrons 🕺 ready to groove.</li>
		<li>Real-World Example: Think of a packed dance floor where everyone&#39;s dancing tightly.</li>
	</ul>
	</li>
</ul>

<ul>
	<li>🎸 Semiconductors

	<ul>
		<li>Not as many free electrons. More like an exclusive party 🥳.</li>
		<li>Real-World Example: Imagine a VIP room in a club, fewer people but they have special passes.</li>
	</ul>
	</li>
</ul>

✨ Resistance Reality: Semiconductors resist about 105 times more than metals of similar size! Imagine being 105 times more resistant to eating broccoli 🥦.

<ul>
	<li>Hotter Temperature = Jumpy Lattice Ions:
	<ul>
		<li>Think of lattice ions like jittery dancers. When it&#39;s hot, they vibrate and shimmy more, making it harder for charge carriers to move.
		<ul>
			<li>Real-World Example: Ever tried dancing when someone keeps bumping into you? It&#39;s like that.</li>
			<li>Result: Increases resistance.</li>
		</ul>
		</li>
	</ul>
	</li>
	<li>Hotter Temperature = More Energetic Electrons:
	<ul>
		<li>As it gets hotter, more charge carriers get the energy to break free from atoms.
		<ul>
			<li>Real-World Example: Think of popcorn 🍿. As you heat them, more kernels pop and jump around.</li>
			<li>Result: BIG decrease in resistance.</li>
			<li>Big Reveal: The second effect beats the first! So, as semiconductors get hotter, their resistance drops and conduction goes up!</li>
		</ul>
		</li>
	</ul>
	</li>
</ul>

Thermistors, especially the ntc type, are like the cool cousins of metals. When they heat up, instead of resisting more, they embrace the change and let the electric current flow more easily. So next time you think of resistance, remember, not everything resists change. Some, like our ntc thermistor buddy, roll with it! 🎉🌡️🔌

Theme B - The Particulate Nature Of Matter

Unraveling Thermistors: NTC's Unique Temperature-Resistance Relation

Table of content

What’s in a name? 🔥

Made of cool stuff 👓

Different types? 🤷‍♂️

Unlock the Full Content!

Theme B - The Particulate Nature Of Matter

Unraveling Thermistors: NTC's Unique Temperature-Resistance Relation

Table of content

What’s in a name? 🔥

Made of cool stuff 👓

Different types? 🤷‍♂️

Unlock the Full Content!