Four Probe | Viva Voce | Practical File

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2 жыл бұрын

This video covers the most important questions on the four-probe physics lab experiment.
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Пікірлер: 28

@Param_Sir 2 жыл бұрын

Your work is really awesome and helpful for students 👍 Keep it up @Sir

@AllLabExperiments 2 жыл бұрын

Thanks dear

@psiphizone2020 Жыл бұрын

Can you please tell what is the relationship b/w p = RA/l Formula and p =( V/I )*2πs Formula

@rupeshkarar282 2 жыл бұрын

Very helpful

@ishwadhwa6207 2 жыл бұрын

Good job

@thecollegeboy6648 2 жыл бұрын

Thanks keep your work going on

@anuskabhowal1157 Жыл бұрын

What are the other conventional ways of doing it without four probes method?

@AllLabExperiments Жыл бұрын

Normal two probe method. You place electrodes across a sample and find its conductivity or resistivity

@KomalSHARMA-dg8xg Жыл бұрын

Very helpful video thanks sir

@sangramsorryavanshi7248 2 жыл бұрын

Sir why we take germanium for the experiment?

@AllLabExperiments 2 жыл бұрын

Just a sample material. Other materials may also use.

@alintamaryshaji2637 Жыл бұрын

Can you pls tell Relation b/w band gap energy and refractive index of a material

@AllLabExperiments Жыл бұрын

I think there is no direct one to one relation. Refractive index is influenced by the fact how energy transfers from atom to atom in a structure. Band gap is the energy which is absorbed by a material. It stays there for some time and then come back. Therefore, the energy gap and time to stay in a level are two different things. They may be influenced by a common factor in a material but its not a universal relation.

@alintamaryshaji2637 Жыл бұрын

Thank u

@PSTWFB Жыл бұрын

Four probe resistivity measurement! does ln and log mean the same thing! g7(w/s)! kzfaq.info/get/bejne/sNSPqqR1uLjSnpc.html

@AllLabExperiments Жыл бұрын

@@PSTWFB yes they are same