Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W None of these 100 W 1000 W 20 W 200 W None of these 100 W 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Negative charges Crystals Positive charges Atoms None of these Negative charges Crystals Positive charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.4 A 0.3 A 0.6 A 0.2 A None of these 0.4 A 0.3 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? None of these 312 Ohm 690 Ohm 1590 Ohm less than 1 Ohm None of these 312 Ohm 690 Ohm 1590 Ohm less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Rectify line voltage Emit light Regulate voltage Amplify weak signals None of these Rectify line voltage Emit light Regulate voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
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