Electronic Principles What is a free electron? An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43891 3 43922 2 None of these 43891 3 43922 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Solar energy None of these Mechanical energy Chemical energy Light energy Solar energy None of these Mechanical energy Chemical energy Light energy 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? None of these Counterclockwise Into this page Clockwise Out of this page None of these Counterclockwise Into this page Clockwise Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V None of these 20 V 0.17 V 10.17 V 18.8 V None of these 20 V 0.17 V 10.17 V 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? 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
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