Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = IE None of these P = I2R P = E2/R I = P/E P = IE None of these P = I2R P = E2/R 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 no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge None of these An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
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? 300 µA 350 µA 0.25 µA 250 µA None of these 300 µA 350 µA 0.25 µA 250 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? None of these Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page Counterclockwise None of these Out of this page Clockwise Into this page Counterclockwise None of these Out of this page Clockwise ANSWER DOWNLOAD EXAMIANS APP