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 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 Antiparallel to magnetic field In arbitrary direction ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Forward bias Reverse bias Zero or forward bias Zero bias Forward bias Reverse bias Zero or forward bias Zero bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Lightly doped semiconductor Either A or B Intrinsic semiconductor Highly doped semiconductor Lightly doped semiconductor Either A or B Intrinsic semiconductor Highly doped semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a semiconductor diode, the barrier offers opposition to Holes in P-region only Majority as well as minority carriers in both regions Free electrons in N-region only Majority carriers in both regions Holes in P-region only Majority as well as minority carriers in both regions Free electrons in N-region only Majority carriers in both regions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Fermi level is the amount of energy in which A hole can have at room temperature Must be given to an electron move to conduction band An electron can have at room temperature None of these A hole can have at room temperature Must be given to an electron move to conduction band An electron can have at room temperature None of these 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 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 A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
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