Potential barrier, Physics

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The potential difference created across the P-N junction due to the diffusion of electron and holes is called potential barrier.

For 2252_22.pngand for silicon 

 

On the average the potential barrier in P-N junction is ~ 0.5 V and the width of depletion region ~ 10-6.

So the barrier electric field.

28_22.png

 

 

 


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