Electronic Principles The value of a capacitor can be made larger by: 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 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 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? 4 0.5 0.25 180 None of these 4 0.5 0.25 180 None of these 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 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm 100 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? Counterclockwise None of these Into this page Clockwise Out of this page Counterclockwise None of these Into this page Clockwise Out of this page 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 attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
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