Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Signal amplification is required Rectification of the signal is required Signal frequency control is required Modulation of signal is required Signal amplification is required Rectification of the signal is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of All of these Semiconductors Metals Insulators All of these Semiconductors Metals Insulators ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 1.01 100 99 0.99 1.01 100 99 0.99 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 arbitrary direction 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has Only a saturation region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only an ohmic region An ohmic region at low voltage value followed by a saturation region at higher voltages Only a saturation region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only an ohmic region An ohmic region at low voltage value followed by a saturation region at higher voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Intensity of incident radiation 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 ANSWER DOWNLOAD EXAMIANS APP