Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 None of these 6 85 9 81 None of these 6 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: ampere watt volt ohm None of these ampere watt volt ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The sum of the current is always less than the applied current All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The sum of the current is always less than the applied current All of these The current waveform for each component always has the same amplitude and phase as the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle None of these The flow of charged particles through a material Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
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