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 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 Antiparallel to magnetic field In the direction of current 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 Light dependent resistors are Either A or B Highly doped semiconductor Lightly doped semiconductor Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor Intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The depletion layer width of Junction Is independent of applied voltage Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage Is increased under reverse bias Increases with heavy doping Decreases with light doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region Only a saturation region An ohmic region at large voltage values preceded by a saturation region at lower voltages An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region Only a saturation region An ohmic region at large voltage values preceded by a saturation region at lower voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET Has higher input resistance Has better thermal stability Is less noisy All of these Has higher input resistance Has better thermal stability Is less noisy All of these ANSWER DOWNLOAD EXAMIANS APP
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