Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 40 V None of these 60 V 0 V 36 V 40 V None of these 60 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Nicad battery Mercury-cell battery Lead-acid battery Zinc-carbon battery None of these Nicad battery Mercury-cell battery Lead-acid battery Zinc-carbon battery None of these ANSWER DOWNLOAD EXAMIANS APP
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 208 V 700 V None of these 651 V 707 V 208 V 700 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are pressing the button None of these its contact remain open you are not pressing the button its contact remain open you are pressing the button None of these its contact remain open you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
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