Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA None of these 14.8 µA 7.8 µA 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
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 Silicon atoms combine into an orderly pattern called a Semiconductor Crystal None of these Covalent bond Valence orbit Semiconductor Crystal None of these Covalent bond Valence orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: commutator None of these loop armature brush commutator None of these loop armature brush 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 that has its molecules arranged in a random pattern None of these 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 that has its molecules arranged in a random pattern None of these ANSWER DOWNLOAD EXAMIANS APP