Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these None of these A diamagnetic material A paramagnetic material A ferromagnetic material All of these None of these A diamagnetic material A paramagnetic material A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 None of these 180 4 0.25 0.5 None of these 180 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 707 V 651 V None of these 700 V 208 V 707 V 651 V None of these 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 18.2 mA 16.3 mA None of these 55 A 55.86 A 18.2 mA 16.3 mA None of these 55 A 55.86 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? None of these Intrinsic n-type Extrinsic p-type None of these Intrinsic n-type Extrinsic p-type ANSWER DOWNLOAD EXAMIANS APP
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