Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material A diamagnetic material None of these A paramagnetic material All of these A ferromagnetic material A diamagnetic material None of these A paramagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 9 None of these 85 6 81 9 None of these 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second 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 All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? chemical cell generator thermocouple solar cell None of these chemical cell generator thermocouple solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
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