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 Normal to both current and magnetic field In arbitrary direction In the direction of current Antiparallel to magnetic field Normal to both current and magnetic field In arbitrary direction In the direction of current ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on 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 Frequency of incident radiation Intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Permalloy is 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 A nickel an iron alloy having high permeability A polymer 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. Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false Both A and R are true and R is correct explanation of A A is false but R is true Both A and R are true but R is not a correct explanation of A A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Lightly doped semiconductor Intrinsic semiconductor Highly doped semiconductor Either A or B Lightly doped semiconductor Intrinsic semiconductor Highly doped semiconductor Either A or B ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction may be equal to or less than breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage should not exceed the breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
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