Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 14 mA None of these 10 mA 12 mA 11 mA 14 mA None of these 10 mA 12 mA 11 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left from neutral to positive None of these from positive to negative from negative to positive from right to left from neutral to positive None of these from positive to negative from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 40 V 0 V None of these 60 V 36 V 40 V 0 V None of these 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage Impossible to say Neither None of these Secondary voltage Primary voltage Impossible to say Neither 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? None of these 20 mW 10 mW 200 mW 300 mW None of these 20 mW 10 mW 200 mW 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time All of these they have the same amplitude and frequency None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time All of these they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
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