Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits As compared to bipolar junction transistor, a FET All of these Is less noisy Has higher input resistance Has better thermal stability All of these Is less noisy Has higher input resistance Has better thermal stability ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where 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 Signal amplification is required Modulation of signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Loses its charge easily Has higher energy than the electron in the valence band Has lower energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has higher energy than the electron in the valence band Has lower energy than the electron in the valence band Jumps to the top of the crystal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits If too large current passes through the diode Diode will emit light All holes will freeze Excessive heat may damage the diode All electrons will leave Diode will emit light All holes will freeze Excessive heat may damage the diode All electrons will leave ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Schottky diode Zener diode PIN diode Tunnel diode Schottky diode Zener diode PIN diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP