Potentiometer : Comparison of EMF - MeitY OLabs
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Potentiometer : Comparison of EMF :-
Potentiometer is a simple device used to measure the electro motive force, potential difference across a resistor and internal resistance of a cell. It consists of a board where a tungsten or manganese wire is fitted on it. The wires have uniform cross-sectional area and of 10 m in length. The wires are joined in series by using thick copper strips. A metre scale is also attached on the wooden board. It works on the principle that the potential dropped between two points in a wire of uniform cross section is directly proportional to the distance between the points.
This video explains how to compare the emf’s of two given primary cells using a potentiometer.
Видео Potentiometer : Comparison of EMF - MeitY OLabs канала amritacreate
http://www.amrita.edu/create
▶ For more Information @
http://amrita.olabs.edu.in/?sub=1&brch=6&sim=231&cnt=1
▶ Amrita Online Lab Project Website
http://www.olabs.edu.in/
▶ Subscribe @
https://www.youtube.com/user/amritacreate
▶ Like us @
https://www.facebook.com/CREATEatAmrita
Copyright © 2017 Amrita University
Developed by Amrita University & CDAC Mumbai. Funded by MeitY (Ministry of Electronics & Information Technology)
Potentiometer : Comparison of EMF :-
Potentiometer is a simple device used to measure the electro motive force, potential difference across a resistor and internal resistance of a cell. It consists of a board where a tungsten or manganese wire is fitted on it. The wires have uniform cross-sectional area and of 10 m in length. The wires are joined in series by using thick copper strips. A metre scale is also attached on the wooden board. It works on the principle that the potential dropped between two points in a wire of uniform cross section is directly proportional to the distance between the points.
This video explains how to compare the emf’s of two given primary cells using a potentiometer.
Видео Potentiometer : Comparison of EMF - MeitY OLabs канала amritacreate
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