Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 None of these 85 81 6 9 None of these 85 81 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain decreases increases contant None of these can be any of the above decreases increases contant None of these can be any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 V None of these 9.3 W 0.041666666666667 0.93 W 0.93 V None of these 9.3 W 0.041666666666667 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these 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 they have the same amplitude and frequency None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 200 W 20 W 1000 W None of these 100 W 200 W 20 W 1000 W None of these 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R I = ER None of these I = E/R E = PR E = I2R I = ER None of these I = E/R E = PR ANSWER DOWNLOAD EXAMIANS APP
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