Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V None of these 180 V 170 V 120 V 100 V None of these 180 V 170 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor All of these None of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor Current leads the voltage through a resistor All of these None of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance None of these the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these ANSWER DOWNLOAD EXAMIANS APP
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