Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 None of these 85 9 81 6 None of these 85 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain None of these decreases increases can be any of the above contant None of these decreases increases can be any of the above contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator allows current to flow much easier than a conductor does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does None of these The difference between conductors and insulators depends on how they are used An insulator allows current to flow much easier than a conductor does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does None of these The difference between conductors and insulators depends on how they are used ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance multiplies the value of inductance by two None of these reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
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