Electronic Principles How many protons does the nucleus of a silicon atom contain? None of these 48 4 14 29 None of these 48 4 14 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 600 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be repelled by the south pole of another magnet that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern None of these that would be attracted to the earth's north magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern None of these that would be attracted to the earth's north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these armature commutator rotor battery None of these armature commutator rotor battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A diamagnetic material None of these All of these A paramagnetic material A feiTomagnetic material A diamagnetic material None of these All of these A paramagnetic material A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP