Electronic Principles The basic unit of measurement for current is the: None of these ohm ampere watt volt None of these ohm ampere watt volt ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P I = P/E P = E2/R None of these P = PR R = E2/P I = P/E P = E2/R None of these P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: you are not pressing the button None of these you are pressing the button its contact remain open its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 None of these 0.5 4 0.25 180 None of these 0.5 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy Same number as free electrons many None of these less than the free electrons Only those produced by thermal energy Same number as free electrons many None of these less than the free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Secondary voltage Primary voltage None of these Neither Impossible to say Secondary voltage Primary voltage None of these Neither ANSWER DOWNLOAD EXAMIANS APP
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