Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: None of these less than the capacitance value of the smallest capacitor 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 None of these less than the capacitance value of the smallest capacitor 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less 20 km or less None of these 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less 20 km or less 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 None of these Like magnetic poles attract, while unlike poles repel 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 None of these Like magnetic poles attract, while unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R None of these I = P/E P = IE P = I2R P = E2/R None of these I = P/E P = IE P = I2R ANSWER DOWNLOAD EXAMIANS APP
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? 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
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