Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second dissipating 1 W of power causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative None of these from right to left from neutral to positive from negative to positive from positive to negative None of these from right to left from neutral to positive from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: None of these henrys amperes per second Ohm volts per second None of these henrys amperes per second Ohm volts per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage Regulate voltage None of these Amplify weak signals Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.151 mA 157 raA 2.02 A 0.995 mA None of these 0.151 mA 157 raA 2.02 A 0.995 mA None of these ANSWER DOWNLOAD EXAMIANS APP
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