Electronic Principles The equivalent of 1 micro A is: None of these 10000A one million amperes 1000 A one-millionth of an ampere None of these 10000A one million amperes 1000 A one-millionth of an ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop commutator armature None of these brush loop commutator armature None of these brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Nonconducting Operating in the breakdwon region Forward-biased Reverse-biased None of these Nonconducting Operating in the breakdwon region Forward-biased Reverse-biased None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP