Electronic Principles Most AC power is obtained from: lightning batteries oscillators generators None of these lightning batteries oscillators generators None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero None of these The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero None of these The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 26.6 degree 90 degree 180 degree 0 degree None of these 26.6 degree 90 degree 180 degree 0 degree 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 commutator rotor armature battery None of these commutator rotor armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage None of these increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
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