Electronic Principles Positive ions are atoms that have Lost a proton Lost an electron None of these Gained a proton Gained an electron Lost a proton Lost an electron None of these Gained a proton Gained an electron 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 Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Twice the primary current Same as the primary current None of these One-half the primary current No more than 10% less than the primary current Twice the primary current Same as the primary current None of these One-half the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values 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 None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance 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 None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: 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 cuts the total current by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
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