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 and holes increase but not by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons increases but the number of holes decreases 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 In which of these is reverse recovery time nearly zero? Zener diode PIN diode Schottky diode Tunnel diode Zener diode PIN diode Schottky diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 0.78 eV 2 eV 10 eV 5 eV 0.78 eV 2 eV 10 eV 5 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the 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
Electronic Devices and Circuits Permalloy is A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry A variety of stainless steel A polymer A nickel an iron alloy having high permeability A conon-ferrous alloy used in aircraft industry A variety of stainless steel A polymer ANSWER DOWNLOAD EXAMIANS APP
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