Analog Electronics Which material behave like perfect insulators at low temperatures & conductor at higher temperature ? GaAs Si All the above Ge GaAs Si All the above Ge ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage Series (feedback also called series-shunt feedback) results in Decreases in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances Decreases in both input & output impedances Decrease in input impedance & increase in output impedance Increase in input impedance & decreases in output impedance Increase in both input & output impedances ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A diode (p-n junction) when reverse biased act as Zener diode Capacitor On Switch Off Switch Zener diode Capacitor On Switch Off Switch ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Why holes are not created in a metal ? None of these Both 1 & 2 The forbidden band is missing The conduction band and valance band are overlapped None of these Both 1 & 2 The forbidden band is missing The conduction band and valance band are overlapped ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of these is the best description of a zener diode? It is a constant electric current device. It works in the forward region. It is a rectifier diode. It is a constant voltage device. It is a constant electric current device. It works in the forward region. It is a rectifier diode. It is a constant voltage device. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a loaded zener regulator, which is the largest current? Series current. Load current. None of these Zener current. Series current. Load current. None of these Zener current. ANSWER DOWNLOAD EXAMIANS APP