Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 85 None of these 6 9 81 85 None of these 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point off the load line down nowhere None of these up off the load line down nowhere None of these up 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? None of these 651 V 707 V 208 V 700 V None of these 651 V 707 V 208 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet an artificial magnet a natural magnet a paramagnetic alloy None of these a temporary magnet an artificial magnet a natural magnet a paramagnetic alloy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 4 18 None of these 29 1 4 18 None of these 29 ANSWER DOWNLOAD EXAMIANS APP
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