Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc None of these All 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 None of these All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is None of these 2 mA 0.5 mA 0.083333333333333 200 A None of these 2 mA 0.5 mA 0.083333333333333 200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Reluctance Magnetomotive force None of these Number of lines of force Flux density Reluctance Magnetomotive force None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 9 81 6 85 None of these 9 81 6 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell photo transistor thermocouple photodiode None of these solar cell photo transistor thermocouple photodiode None of these ANSWER DOWNLOAD EXAMIANS APP
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