Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these they have the same amplitude and frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.2 A 0.6 A None of these 0.4 A 0.3 A 0.2 A 0.6 A None of these 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? None of these Nonlinear Linear Bilateral Unipolar None of these Nonlinear Linear Bilateral Unipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -6 2 None of these -3 -6 2 None of these -3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators lightning generators batteries None of these oscillators lightning generators batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same None of these Decreases Can be any of above Increases Stays the same None of these Decreases Can be any of above Increases ANSWER DOWNLOAD EXAMIANS APP
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