Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage Neither None of these Secondary voltage Impossible to say Primary voltage Neither None of these Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously varies slightly equals the collector current divided by the base current None of these is contant varies enormously varies slightly equals the collector current divided by the base current None of these is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell solar cell piezoelectric device photodiode None of these nicad cell solar cell piezoelectric device photodiode None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A diamagnetic material A ferromagnetic material All of these A paramagnetic material None of these A diamagnetic material A ferromagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase None of these 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 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V 24 V ANSWER DOWNLOAD EXAMIANS APP
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