Electronic Principles The period of a waveform is: the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude 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 None of these 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 Current is induced in a conductor that is moving through a magnetic field None of these 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 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? 651 V 700 V 208 V 707 V None of these 651 V 700 V 208 V 707 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 7200 A None of these 0.5A 180 A 0.083333333333333 7200 A None of these 0.5A 180 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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