Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero bias Forward bias Zero or reverse bias Reverse bias Zero bias Forward bias Zero or reverse bias Reverse bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Fermi level is the amount of energy in which A hole can have at room temperature Must be given to an electron move to conduction band None of these An electron can have at room temperature A hole can have at room temperature Must be given to an electron move to conduction band None of these An electron can have at room temperature ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits How many free electrons does a p type semiconductor has? Any of the above Only those produced by thermal energy Only those produced by doping Those produced by doping as well as thermal energy Any of the above Only those produced by thermal energy Only those produced by doping Those produced by doping as well as thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant. Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true Both A and R are true but R is not a correct explanation of A 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 and holes increase by the same amount The number of free electrons increases 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 and holes increase by the same amount The number of free electrons increases 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 Which of the following has highest resistivity? Mineral oil Paraffin wax Mica Air Mineral oil Paraffin wax Mica Air ANSWER DOWNLOAD EXAMIANS APP
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