Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 600 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 20 V 0.17 V None of these 18.8 V 10.17 V 20 V 0.17 V None of these 18.8 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel None of these Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 millionth of a picofarad 1 million farads 1000 millifarads 1 million picofarads None of these 1 millionth of a picofarad 1 million farads 1000 millifarads 1 million picofarads ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? None of these The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages None of these The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance doubles the amount of a capacitive reactance None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP