Analog Electronics Most of the electrons in the base of an NPN transistor do not recombine because they have a negative charge. have a long lifetime. flow out of the base. must flow through the base. have a negative charge. have a long lifetime. flow out of the base. must flow through the base. ANSWER DOWNLOAD EXAMIANS APP
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 102dB 49dB 51dB 98dB 102dB 49dB 51dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following transistor configuration circuit is much less temperature dependent ? Common base. Common collector. Common emitter. None of these Common base. Common collector. Common emitter. None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A 741 C has an output impedance of 75 Ω. an input impedance of 2 MΩ. All of these a voltage gain of 100,000. an output impedance of 75 Ω. an input impedance of 2 MΩ. All of these a voltage gain of 100,000. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the base resistor increases, the collector voltage will probably increase. stay the same. decrease. All of these increase. stay the same. decrease. All of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Why is silicon preferred than germanium ? Silicon has higher tolerance to temperature Leakage current due to minority charge carrier is less in silicon Current sensitivity of silicon with temperature is less All the above Silicon has higher tolerance to temperature Leakage current due to minority charge carrier is less in silicon Current sensitivity of silicon with temperature is less All the above ANSWER DOWNLOAD EXAMIANS APP
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