Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 170 V 180 V 120 V None of these 100 V 170 V 180 V 120 V None of these ANSWER DOWNLOAD EXAMIANS APP
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? None of these 700 V 208 V 707 V 651 V None of these 700 V 208 V 707 V 651 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 Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 4 29 18 1 None of these 4 29 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 68.4 mA 24.2 mA None of these 34.4 mA 28.4 mA 68.4 mA 24.2 mA None of these 34.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current None of these All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current None of these All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage ANSWER DOWNLOAD EXAMIANS APP