Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 81 9 None of these 6 85 81 9 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: None of these a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator None of these a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity but changes value 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 reverses polarity periodically None of these The voltage remains at one polarity but changes value 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 reverses polarity periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from negative to positive from left to right from neutral to positive None of these from positive to negative from negative to positive from left to right from neutral to positive None of these 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? I = P/E P = I2R None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Neutral Strong Weak Impossible to say None of these Neutral Strong Weak Impossible to say ANSWER DOWNLOAD EXAMIANS APP
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