Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 None of these 9 81 6 85 None of these 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 17.5 mA 1750 mA None of these 1.75 mA 175 mA 17.5 mA 1750 mA None of these 1.75 mA 175 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -273o C None of these 25o C 0o C -276o C -273o C None of these 25o C 0o C -276o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Retentivity Permeance Reluctance Permeability There is no valid comparison Retentivity Permeance Reluctance Permeability 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? 707 V 208 V None of these 700 V 651 V 707 V 208 V None of these 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than neutrons An atom that contains more electrons than protons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these An atom that contains more electrons than neutrons An atom that contains more electrons than protons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these ANSWER DOWNLOAD EXAMIANS APP
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