Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 6 85 None of these 9 81 6 85 None of these 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 1000 A one-millionth of an ampere 10000A None of these one million amperes 1000 A one-millionth of an ampere 10000A None of these one million amperes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light Amplify weak signals None of these Regulate voltage Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 18.2 mA 16.3 mA 55.86 A None of these 55 A 18.2 mA 16.3 mA 55.86 A None of these 55 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Thevenin voltage Shorted-load current None of these Open-load current Thevenin current Thevenin voltage Shorted-load current None of these Open-load current Thevenin current ANSWER DOWNLOAD EXAMIANS APP