Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = ER None of these E = I2R E = PR I = E/R I = ER None of these E = I2R E = PR I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Mercury-cell battery None of these Nicad battery Zinc-carbon battery Lead-acid battery Mercury-cell battery None of these Nicad battery Zinc-carbon battery Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Can be any of above Stays the same Increases None of these Decreases Can be any of above Stays the same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second None of these 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 storing 1 V for 1 second None of these dissipating 1 W of power causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP
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