Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V None of these 30.4 V 35.4 V 38.74 V 37.4 V None of these 30.4 V 35.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor All of these None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -6 2 None of these -3 -6 2 None of these -3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
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