Electronic Principles Which one of the following kinds of materials has the lowest permeability? A diamagnetic material None of these A paramagnetic material A feiTomagnetic material All of these A diamagnetic material None of these A paramagnetic material A feiTomagnetic 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 85 9 None of these 6 81 85 9 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 14 mA 10 mA 11 mA 12 mA None of these 14 mA 10 mA 11 mA 12 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R None of these P = I2R I = P/E P = IE P = E2/R None of these P = I2R I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
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