Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 7.75 µA 14.8 µA None of these 10.3 µA 7.8 µA 7.75 µA 14.8 µA None of these 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency 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 None of these they have the same amplitude and frequency 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Crystal Covalent bond Semiconductor None of these Valence orbit Crystal Covalent bond Semiconductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature brush None of these commutator loop armature brush None of these commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet None of these that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
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