Electronic Devices and Circuits In a half wave rectifier, the load current flows For less than fourth cycle Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For full cycle For less than fourth cycle Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For full cycle 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 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 In arbitrary direction Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A VMOS can handle much larger current than other field effect transistors.Reason (R): In a VMOS the conducting channel is very narrow. 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 A is true but R is false A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Reverse bias Zero or forward bias Zero bias Forward bias Reverse bias Zero or forward bias Zero bias Forward bias 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 the breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage may be equal to or less than breakdown voltage should not exceed the breakdown voltage should not exceed half the breakdown voltage should not exceed one third the breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
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