Electronic Principles Current is The force that causes electrons to flow The flow of charged particles through a material None of these An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow The flow of charged particles through a material None of these An imbalance of electrical charges The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase 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? 100 Ohm None of these 10 Ohm 30 Ohm 20 Ohm 100 Ohm None of these 10 Ohm 30 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 6 81 9 None of these 85 6 81 9 None of these ANSWER DOWNLOAD EXAMIANS APP
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