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 battery commutator None of these armature rotor battery commutator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.3 A 0.2 A 0.6 A 0.4 A None of these 0.3 A 0.2 A 0.6 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V None of these 12 V 18 V 24 V 30 V None of these 12 V 18 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow None of these The flow of charged particles through a material The smallest electrically charged particle The number of free electrons in an atom Trie force that causes electrons to flow None of these The flow of charged particles through a material The smallest electrically charged particle The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? None of these 180 A 0.083333333333333 0.5A 7200 A None of these 180 A 0.083333333333333 0.5A 7200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these ANSWER DOWNLOAD EXAMIANS APP
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