Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Insulators All of these Metals Semiconductors Insulators All of these Metals Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes and electrons Holes Ions Electrons Holes and electrons Holes Ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows Only for the positive half cycle of the input signal For less than fourth cycle Only for the negative half cycle of the input signal For full cycle Only for the positive half cycle of the input signal For less than fourth cycle Only for the negative half cycle of the input signal For full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal frequency control is required Rectification of the signal is required Signal amplification is required Modulation of signal is required Signal frequency control is required Rectification of the signal is required Signal amplification is required Modulation of signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP