Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V None of these 700 V 651 V 208 V 707 V None of these 700 V 651 V 208 V 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? 12 V 18 V None of these 24 V 30 V 12 V 18 V None of these 24 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained an electron None of these Lost a proton Lost an electron Gained a proton Gained an electron None of these Lost a proton Lost an electron Gained a proton 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? 0.2 A 0.6 A 0.4 A 0.3 A None of these 0.2 A 0.6 A 0.4 A 0.3 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow The smallest electrically charged particle The flow of charged particles through a material None of these The number of free electrons in an atom Trie force that causes electrons to flow The smallest electrically charged particle The flow of charged particles through a material None of these The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
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