Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Those produced by doping as well as thermal energy Only those produced by thermal energy Only those produced by doping Any of the above Those produced by doping as well as thermal energy Only those produced by thermal energy Only those produced by doping Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For full cycle For less than fourth cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Holes in P-region only Majority carriers in both regions Free electrons in N-region only Majority as well as minority carriers in both regions Holes in P-region only Majority carriers in both regions Free electrons in N-region only Majority as well as minority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation None of these Intensity of incident radiation Both frequency and intensity of incident radiation Frequency of incident radiation None of these Intensity of incident radiation Both frequency and intensity 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 0.99 99 1.01 100 0.99 99 1.01 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Electrons Holes Ions Holes and electrons Electrons Holes Ions Holes and electrons ANSWER DOWNLOAD EXAMIANS APP