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 they have the same amplitude and frequency None of these 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 they have the same amplitude and frequency None of these their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Smith None of these Gomes Fisher Shockley Smith None of these Gomes Fisher Shockley ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A diamagnetic material A ferromagnetic material A paramagnetic material All of these None of these A diamagnetic material A ferromagnetic material A paramagnetic material All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A 20 A 0.20833333333333 None of these 50 A 20 A 0.20833333333333 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Chemical energy None of these Solar energy Light energy Mechanical energy Chemical energy None of these Solar energy Light energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
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