Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency 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 you are not pressing the button its contact remain open None of these its contact remain open you are pressing the button you are not pressing the button its contact remain open None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 20 mW None of these 300 mW 200 mW 10 mW 20 mW None of these 300 mW 200 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral Linear Nonlinear None of these Unipolar Bilateral Linear Nonlinear None of these Unipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
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