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 651 V 208 V 707 V None of these 700 V 651 V 208 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: series RLC circuit operated below its resonant frequency series RL circuit None of these purely resistive circuit series RC circuit series RLC circuit operated below its resonant frequency series RL circuit None of these purely resistive circuit series RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half None of these thrice the amount of total current doubles the amount of total current has no effect on the total circuit current cuts the total current by one-half None of these thrice the amount of total current doubles the amount of total current has no effect on the total circuit current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these A load-dependent current Zero internal resistance Infinite internal resistance A load dependent voltage None of these A load-dependent current Zero internal resistance Infinite internal resistance A load dependent voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
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