Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 64 W 122 W None of these 3 W 6 W 64 W 122 W None of these 3 W 6 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light 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? 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ampere volt None of these ohm watt ampere volt None of these ohm watt 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 Out of this page Clockwise Counterclockwise None of these Into this page Out of this page Clockwise Counterclockwise None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from left to right from positive to negative from neutral to positive from negative to positive None of these from left to right from positive to negative from neutral to positive from negative to positive None of these ANSWER DOWNLOAD EXAMIANS APP
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