Electronic Principles Most AC power is obtained from: batteries generators oscillators lightning None of these batteries generators oscillators lightning None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: commutator brush armature loop None of these commutator brush armature loop None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 18 29 4 1 None of these 18 29 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that flows whenever there is an imbalance of electrical charges between two points None of these A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that flows whenever there is an imbalance of electrical charges between two points None of these A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Magnetomotive force Reluctance Flux density Number of lines of force None of these Magnetomotive force Reluctance Flux density Number of lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP