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 49dB 98dB 102dB 51dB 49dB 98dB 102dB 51dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the current gain is 100 and the collector current is 10 mA, the base current is 1 A. 100 µA. 10 µA. 10 A. 1 A. 100 µA. 10 µA. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The AC base voltage of an emitter follower is across the DC emitter resistor. emitter diode and external AC emitter resistance. emitter diode. load resistor. DC emitter resistor. emitter diode and external AC emitter resistance. emitter diode. load resistor. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics N-type extrinsic semiconductor is obtained by adding tetravalent impurity pentavalent impurity trivalent impurity All of these tetravalent impurity pentavalent impurity trivalent impurity All of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Why is silicon preferred than germanium ? All the above Current sensitivity of silicon with temperature is less Silicon has higher tolerance to temperature Leakage current due to minority charge carrier is less in silicon All the above Current sensitivity of silicon with temperature is less Silicon has higher tolerance to temperature Leakage current due to minority charge carrier is less in silicon ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The conduction loss verses device current characteristics of power MOSFET in best approximately by an exponentially decaying function. a parabola. a straight line. a rectangular hyperbola. an exponentially decaying function. a parabola. a straight line. a rectangular hyperbola. ANSWER DOWNLOAD EXAMIANS APP