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? 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 P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? None of these 29 4 1 18 None of these 29 4 1 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an None of these Ideal current source and series resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Crystal Semiconductor Covalent bond Valence orbit None of these Crystal Semiconductor Covalent bond Valence orbit None of these ANSWER DOWNLOAD EXAMIANS APP