Electronic Principles Molecule is A atom that flows whenever there is an imbalance of electrical charges between two points The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit None of these A atom that flows whenever there is an imbalance of electrical charges between two points The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage Neither Secondary voltage None of these Impossible to say Primary voltage Neither Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R P = I2R None of these I = P/E P = IE P = E2/R P = I2R None of these I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the voltage source Open the load resister None of these Short the load resistor Open the voltage source Short the voltage source Open the load resister None of these Short the load resistor Open the voltage source ANSWER DOWNLOAD EXAMIANS APP