Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency 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 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 their waveforms are both ac or both dc All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 30.4 V None of these 37.4 V 35.4 V 38.74 V 30.4 V None of these 37.4 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: ampere watt ohm volt None of these ampere watt ohm volt None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 4 29 48 None of these 14 4 29 48 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 85 None of these 81 6 9 85 None of these 81 6 ANSWER DOWNLOAD EXAMIANS APP
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