Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V None of these 30.4 V 38.74 V 37.4 V 35.4 V None of these 30.4 V 38.74 V 37.4 V 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 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 The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is less than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the None of these Thevenin voltage Shorted-load current Thevenin current Open-load current None of these Thevenin voltage Shorted-load current Thevenin current Open-load current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 40 V None of these 36 V 0 V 60 V 40 V None of these 36 V 0 V ANSWER DOWNLOAD EXAMIANS APP