Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 9 6 81 None of these 85 9 6 81 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? I = P/E None of these P = I2R P = IE P = E2/R I = P/E None of these P = I2R P = IE P = E2/R 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: battery commutator None of these armature rotor battery commutator None of these armature rotor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: causing an ac phase shift greater than 90 degree storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these dissipating 1 W of power causing an ac phase shift greater than 90 degree storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these dissipating 1 W of power ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that costs nothing None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1 million farads 1000 millifarads 1 million picofarads 1 millionth of a picofarad None of these 1 million farads 1000 millifarads 1 million picofarads 1 millionth of a picofarad ANSWER DOWNLOAD EXAMIANS APP
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