Electronic Devices and Circuits Permalloy is A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry A polymer A variety of stainless steel A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry A polymer A variety of stainless steel ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET Has better thermal stability All of these Has higher input resistance Is less noisy Has better thermal stability All of these Has higher input resistance Is less noisy 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. A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R are true and R is correct explanation of A Both A and R are true but R is not a correct explanation of A 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 the direction of current In arbitrary direction Antiparallel to magnetic field Normal to both current and magnetic field In the direction of current In arbitrary direction Antiparallel to magnetic field Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits For a NPN bipolar transistor, what is the main stream of current in the base region? Drift of holes Drift of electrons Diffusion of holes Diffusion of electrons Drift of holes Drift of electrons Diffusion of holes Diffusion of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode All holes will freeze Diode will emit light All electrons will leave Excessive heat may damage the diode All holes will freeze Diode will emit light All electrons will leave Excessive heat may damage the diode ANSWER DOWNLOAD EXAMIANS APP
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