Electronic Devices and Circuits In a bipolar transistor, the base collector junction has Forward bias Zero bias Reverse bias Zero or forward bias Forward bias Zero bias Reverse bias Zero or forward bias ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal amplification is required Modulation of signal is required Rectification of the signal is required Signal frequency control is required Signal amplification is required Modulation of signal is required Rectification of the signal is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light All holes will freeze All electrons will leave Excessive heat may damage the diode Diode will emit light All holes will freeze All electrons will leave Excessive heat may damage the diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Mixture of silicon and germanium Germanium Silicon None of these Mixture of silicon and germanium Germanium Silicon None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Wideband gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Loses its charge easily Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Loses its charge easily ANSWER DOWNLOAD EXAMIANS APP