The electron concentration in an 
-type semiconductor is the same as hole concentration in a 
-type semiconductor. An external field (electric) is applied across each of them. Compare the currents in them. [NEET 2021]
-type 
Current in 
-type 
-type 
Current in 
-type 
-type 
Current in 
-type 
-type, current will only flow in 
-type
Text Solution
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Given, the electron concentration in n-type semiconductor is equal to the hole's concentration in 
-type semiconductor.
When electric field is applied across the semiconductor, the electrons and holes will move opposite to each other. The mobility of 
-type semiconductor is greater than mobility of 
-type semiconductor.
So, the current in the 
-type semiconductor is greater than current in the 
-type semiconductor.
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