Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 None of these 81 85 6 9 None of these 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor None of these a good insulator a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 29 18 None of these 4 1 29 18 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 35.4 V 37.4 V 38.74 V 30.4 V None of these 35.4 V 37.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA 0.995 mA 0.151 mA 2.02 A None of these 157 raA 0.995 mA 0.151 mA 2.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain is contant equals the collector current divided by the base current None of these varies slightly varies enormously is contant equals the collector current divided by the base current None of these varies slightly varies enormously ANSWER DOWNLOAD EXAMIANS APP
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