Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 None of these 81 85 9 6 None of these 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? None of these Wattmeter Ohmmeter Voltmeter Ammeter None of these Wattmeter Ohmmeter Voltmeter Ammeter 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 None of these 700 V 208 V 651 V 707 V None of these 700 V 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 -6 2 None of these -3 -6 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: commutator rotor None of these armature battery commutator rotor None of these armature battery ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS