Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 85 81 None of these 6 9 85 81 None of these 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page Clockwise Out of this page None of these Counterclockwise Into this page Clockwise Out of this page None of these Counterclockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm 60 Ohm 99.3 Ohm 250 Ohm None of these 70.7Ohm 60 Ohm 99.3 Ohm 250 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material None of these A paramagnetic material All of these A diamagnetic material A feiTomagnetic material None of these A paramagnetic material All of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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