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 51dB 98dB 102dB 49dB 51dB 98dB 102dB 49dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the collector resistor is open, the collector voltage is high. unchanged. low. unknown. high. unchanged. low. unknown. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following amplifier circuit using junction transistor has the best gain? Common collector Common base Common emitter All have the same gain Common collector Common base Common emitter All have the same gain ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A depletion MOSFET differs from a JFET in the sense that it has no channel. p - n junction. substrate. gate. channel. p - n junction. substrate. gate. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The most commonly used semiconductor is Silicon Germanium Carbon Sulphur Silicon Germanium Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
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. must flow through the base. flow out of the base. have a negative charge. have a long lifetime. must flow through the base. flow out of the base. ANSWER DOWNLOAD EXAMIANS APP