Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 9 6 81 85 None of these 9 6 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force None of these Flux density Reluctance Number of lines of force Magnetomotive force None of these Flux density Reluctance Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? None of these 18 1 4 29 None of these 18 1 4 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Lead-acid battery Mercury-cell battery None of these Zinc-carbon battery Nicad battery Lead-acid battery Mercury-cell battery None of these Zinc-carbon battery Nicad battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point up nowhere None of these down off the load line up nowhere None of these down off the load line ANSWER DOWNLOAD EXAMIANS APP
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