Analog Electronics When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current increases by a factor of 6. decreases by a factor of 6. is zero. remains almost the same. increases by a factor of 6. decreases by a factor of 6. is zero. remains almost the same. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When a junction diode is Reverse Biased then diode acts like ....................... Close switch None of these Short switch An open switch Close switch None of these Short switch An open switch ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at The center of the depletion region on the n-side The p⁺n junction The edge of the depletion region on the p-side The edge of the depletion region on the n-side The center of the depletion region on the n-side The p⁺n junction The edge of the depletion region on the p-side The edge of the depletion region on the n-side ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which material behave like perfect insulators at low temperatures & conductor at higher temperature ? GaAs All the above Si Ge GaAs All the above Si Ge ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The base - emitter voltage is usually less than the base supply voltage. none of these. equal to the base supply voltage. more than the base supply voltage. less than the base supply voltage. none of these. equal to the base supply voltage. more than the base supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Generally, the gain of a transistor amplifier falls at high frequencies due to the Coupling capacitor at the input Skin effect Coupling capacitor at the output Internal Capacitance of the device Coupling capacitor at the input Skin effect Coupling capacitor at the output Internal Capacitance of the device ANSWER DOWNLOAD EXAMIANS APP
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