Electronic Devices and Circuits Which variety of copper has the best conductivity? Induction hardened copper Copper containing traces of silicon Pure annealed copper Hard drawn copper Induction hardened copper Copper containing traces of silicon Pure annealed copper Hard drawn copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes Electrons Ions Holes and electrons Holes Electrons Ions Holes and electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation Intensity of incident radiation None of these Both frequency and intensity of incident radiation Frequency of incident radiation Intensity of incident radiation None of these Both frequency and intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is In arbitrary direction Normal to both current and magnetic field Antiparallel to magnetic field In the direction of current In arbitrary direction Normal to both current and magnetic field Antiparallel to magnetic field In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The depletion layer width of Junction Decreases with light doping Increases with heavy doping Is increased under reverse bias Is independent of applied voltage Decreases with light doping Increases with heavy doping Is increased under reverse bias Is independent of applied voltage ANSWER DOWNLOAD EXAMIANS APP
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