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Assertion :-(A) semiconductors are solids with conductivites in the intermediate range from`10^(-6)-10^(4) ohm ^(-1)m^(-1)`
Reason :-(R ) internmediate conductivity in semiconductor Is due to partially filled valence band .
A. Assertion and reason both are correct statements and Reason is correct explantion for Assertion .
B. Asserton and Reason both are correct statement but Reason is not correct explanation for assertion .
C. Assertion is correct statement but reason is worng statement .
D. Assertion is Wrong statement but Reason is correct statement .

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Correct Answer - C
Assertion is correct statement but reason is incorrect statement .
semiconductors are solids with conductivites in the intermediate range varie from `10^(-6)-10^(4) Omega ^(-1) m^(-1)` intermediate conuctivity is due to small energy gap between valence band and conduction bond ,

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