Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 None of these 85 81 6 9 None of these 85 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device solar cell None of these photodiode nicad cell piezoelectric device solar cell None of these photodiode nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 8 V 15 V 16 V None of these 7.5 V 8 V 15 V 16 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude 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 power dissipation of a resistance when you know the voltage drop and current? P = IE I = P/E None of these P = I2R P = E2/R P = IE I = P/E None of these P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 1.5 10.738 0.707 0.575 None of these 1.5 10.738 0.707 0.575 None of these ANSWER DOWNLOAD EXAMIANS APP
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