Analog Electronics Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is 98dB 51dB 49dB 102dB 98dB 51dB 49dB 102dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The silicon transistor are more widely used than germanium transistors because they have smaller leakage current. they have smaller depletion layer. they have larger electric current carrying capacity. they have better ability to dissipate heat. they have smaller leakage current. they have smaller depletion layer. they have larger electric current carrying capacity. they have better ability to dissipate heat. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the base resistor increases, the collector voltage will probably stay the same. increase. All of these decrease. stay the same. increase. All of these decrease. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The power dissipated by a transistor approximately equals the collector current times base - emitter voltage. collector - emitter voltage. 0.7 V. base supply voltage. base - emitter voltage. collector - emitter voltage. 0.7 V. base supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When there is no base current in a transistor switch, the output voltage from the transistor is unknown. unchanged. low. high. unknown. unchanged. low. high. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When Semiconductor materials is heated its resistance None of these remains constant increases decreases None of these remains constant increases decreases ANSWER DOWNLOAD EXAMIANS APP
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