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 commutator battery rotor None of these armature commutator battery rotor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 90% of the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: None of these one-millionth of an ohm 1 k ohm 100,000 ohm one million ohms None of these one-millionth of an ohm 1 k ohm 100,000 ohm one million ohms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Magnetomotive force Number of lines of force None of these Reluctance Flux density Magnetomotive force Number of lines of force None of these Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage None of these Neither Secondary voltage Impossible to say Primary voltage None of these Neither Secondary voltage ANSWER DOWNLOAD EXAMIANS APP