AN-type germanium is negatively charged and $P$-type germanium is positively charged
BBoth $N$-type and $P$-type germanium are neutral
CN-type germanium is positively charged and $P$-type germanium is negatively charged
DBoth $N$-type and $P$-type germanium are negatively charged
[MP PMT 1994]
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BBoth $N$-type and $P$-type germanium are neutral
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A common emitter amplifier is designed with NPN transistor $(\alpha= 0.99 ).$ The input impedance is $1 K \Omega$ and load is $10 k \Omega$. The voltage gain will be
For a triode $r_p=10 \ kilo \ ohm$ and $g_m=3 \ milli \ mho$. If the load resistance is double of plate resistance, then the value of voltage gain will be