Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA None of these 250 µA 0.25 µA 300 µA 350 µA None of these 250 µA 0.25 µA 300 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = PR R = E2/P I = P/E None of these P = E2/R P = PR R = E2/P I = P/E None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell piezoelectric devices chemical cell None of these thermocouple solar cell piezoelectric devices chemical cell None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point None of these off the load line down nowhere up None of these off the load line down nowhere up ANSWER DOWNLOAD EXAMIANS APP