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 Antiparallel to magnetic field In arbitrary direction In the direction of current Normal to both current and magnetic field Antiparallel to magnetic field In arbitrary direction In the direction of current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum Violet portion of spectrum White portion of spectrum Red portion of spectrum Green portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Excessive heat may damage the diode Diode will emit light All electrons will leave All holes will freeze Excessive heat may damage the diode Diode will emit light All electrons will leave All holes will freeze ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases. A is true but R is false A is false but R is true 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 true but R is false A is false but R is true 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 The output, V-I characteristics of an Enhancement type MOSFET has Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Permalloy is A nickel an iron alloy having high permeability A polymer A conon-ferrous alloy used in aircraft industry A variety of stainless steel A nickel an iron alloy having high permeability A polymer A conon-ferrous alloy used in aircraft industry A variety of stainless steel ANSWER DOWNLOAD EXAMIANS APP
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