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: armature rotor None of these commutator battery armature rotor None of these commutator battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value None of these from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from neutral to positive from positive to negative None of these from left to right from negative to positive from neutral to positive from positive to negative None of these from left to right from negative to positive 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 24 V None of these 600 V 4.73 0.4 V 24 V None of these 600 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 77.7 ohm 89.3 ohm 88.8 ohm None of these 224 ohm 77.7 ohm 89.3 ohm 88.8 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 None of these 1 4 29 18 None of these 1 4 29 ANSWER DOWNLOAD EXAMIANS APP