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? None of these 707 V 700 V 651 V 208 V None of these 707 V 700 V 651 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Reluctance Magnetomotive force Flux density Number of lines of force None of these Reluctance Magnetomotive force Flux density Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain can be any of the above contant decreases increases None of these can be any of the above contant decreases increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 4 None of these 14 29 48 4 None of these 14 29 48 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? 2 3 43891 None of these 43922 2 3 43891 None of these 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature None of these commutator brush loop armature None of these commutator brush loop ANSWER DOWNLOAD EXAMIANS APP
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