Analog Electronics Which impurity is added into semiconductor to increase its conductivity ? extrinsic intrinsic None of these doping extrinsic intrinsic None of these doping ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element 100 W. None of above. 1000 W. 500 W. 100 W. None of above. 1000 W. 500 W. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be 3.2mA 2.3mA 5.2mA 4.6mA 3.2mA 2.3mA 5.2mA 4.6mA ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current increases by a factor of 6. remains almost the same. decreases by a factor of 6. is zero. increases by a factor of 6. remains almost the same. decreases by a factor of 6. is zero. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following statements is false? A push pull output transformer has a centre-tapped primary All of these Push pull signals are equal and opposite in phase Class AB operation cannot be used for a push pull audio power output phase A push pull output transformer has a centre-tapped primary All of these Push pull signals are equal and opposite in phase Class AB operation cannot be used for a push pull audio power output phase ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics LC oscillators are used for produce a waveform with frequency ranging from 1 KHz to 1 MHz 1MHz to 500 MHz 100 KHz to 500 MHz 1MHz to 100 GHz 1 KHz to 1 MHz 1MHz to 500 MHz 100 KHz to 500 MHz 1MHz to 100 GHz ANSWER DOWNLOAD EXAMIANS APP