Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the area of the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 4 180 None of these 0.25 0.5 4 180 None of these 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm None of these 100 Ohm 50 Ohm or more 5 Ohm 6 Ohm None of these 100 Ohm 50 Ohm or more 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page None of these Clockwise Out of this page Counterclockwise Into this page None of these Clockwise Out of this page Counterclockwise 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 None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
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