BThe gap between conduction band and valence band is more than $16 eV$
CThe gap between conduction band and valence band is near about $1 eV$
DThe gap between conduction band and valence band will be 100 $eV$ and more
[EAMCET (Engg.) 1999]
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CThe gap between conduction band and valence band is near about $1 eV$
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Carbon, silicon and Germanium atoms have four valence electrons each. Their valence and conduction band are separated by energy band gaps represented by $(E) .(E)$ and $(E)$ respectively. Which one of the following relationship is true in their case
The amplification factor of a triode is $50.$ If the grid potential is decreased by $0.20\ V$, what increase in plate potential will keep the plate current unchanged