Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Ammeter Ohmmeter None of these Voltmeter Wattmeter Ammeter Ohmmeter None of these Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery an insulator None of these a piece of copper wire a conductor a battery an insulator None of these a piece of copper wire a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm 690 ohm None of these 220 ohm 150 ohm 445 ohm 690 ohm None of these 220 ohm 150 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
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