Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is minimum at the resonant frequency None of these always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: 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 None of these capacitive reactance is greater than the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = IE P = E2/R P = I2R None of these I = P/E P = IE P = E2/R P = I2R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow The flow of charged particles through a material None of these The smallest electrically charged particle The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material None of these The smallest electrically charged particle The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the load resistor Open the voltage source Open the load resistor None of these Short the voltage source Short the load resistor Open the voltage source Open the load resistor None of these Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
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