Internal resistance

  • Thread starter Cheman
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  • #1
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What causes internal resistance in the following:

A) A Cell,

B) A Solar Cell?

Is it not just the same thing? Thanks in advance. :smile:
 

Answers and Replies

  • #2
Andrew Mason
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Cheman said:
What causes internal resistance in the following:

A) A Cell,

B) A Solar Cell?

Is it not just the same thing? Thanks in advance. :smile:
I think the difference is that a dry cell battery, being made up of conducting material, whereas a solar cell is a semiconductor. There are free electrons in a conductor. The conductivity of the semiconductor depends on the quantum mechanical behaviour of electrons at the junction of two different semiconductor materials.

AM
 

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