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 102dB 49dB 51dB 98dB 102dB 49dB 51dB 98dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The per unit impedance of a synchorous machine is 0.242. If base voltage is increased by 1.1 times, then per unit value will be 0.220. 0.266. 0.242. 0.200. 0.220. 0.266. 0.242. 0.200. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The input impedance of the base of an emitter follower is usually open. shorted to ground. low. high. open. shorted to ground. low. high. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the majority carriers of P type material ? Holes Protons None of these Electrons Holes Protons None of these Electrons ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The properties of JFET resemble those of UJT. NPN transistors. thermionic valves. PNP transistors. UJT. NPN transistors. thermionic valves. PNP transistors. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a properly biased NPN transistor most of the electrons from the emitter are stopped by the junction barrier. recombine with holes in the base . pass through the base to the collector. recombine in the emitter its self. are stopped by the junction barrier. recombine with holes in the base . pass through the base to the collector. recombine in the emitter its self. ANSWER DOWNLOAD EXAMIANS APP