Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Only those produced by doping Those produced by doping as well as thermal energy Only those produced by thermal energy Any of the above Only those produced by doping Those produced by doping as well as thermal energy Only those produced by thermal energy Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Germanium Silicon None of these Mixture of silicon and germanium Germanium Silicon None of these Mixture of silicon and germanium ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons increases The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount The number of free electrons increases The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 100 99 0.99 1.01 100 99 0.99 1.01 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. False True False True ANSWER DOWNLOAD EXAMIANS APP
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