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 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 In the direction of current In arbitrary direction Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction 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 may be equal to or less than breakdown voltage 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 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 Both A and R are true and R is correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Signal amplification is required Signal frequency control is required Rectification of the signal is required Modulation of signal is required Signal amplification is required Signal frequency control is required Rectification of the signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In the sale of diamonds the unit of weight is carat. One carat is equal to 500 mg 150 mg 200 mg 100 mg 500 mg 150 mg 200 mg 100 mg ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following could be the maximum current rating of junction diode by 126? 20 A 1 A 10 A 100 A 20 A 1 A 10 A 100 A ANSWER DOWNLOAD EXAMIANS APP