Electronic Principles Current is An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material The force that causes electrons to flow None of these An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material The force that causes electrons to flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance 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? E = PR None of these E = I2R I = ER I = E/R E = PR None of these E = I2R I = ER I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ohmmeter None of these Ammeter Voltmeter Wattmeter Ohmmeter None of these Ammeter Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 10 Ohm 30 Ohm None of these 100 Ohm 20 Ohm 10 Ohm 30 Ohm None of these 100 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
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