Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 37.4 V 35.4 V None of these 30.4 V 38.74 V 37.4 V 35.4 V None of these 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and ions None of these Electrons, protons, and neutrons Electrons, ions, and neutrons Protons only Electrons, protons, and ions None of these Electrons, protons, and neutrons Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage Rectify line voltage Emit light Amplify weak signals None of these Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 1000 A 10000A None of these one million amperes one-millionth of an ampere 1000 A 10000A None of these one million amperes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 40 V 0 V None of these 60 V 36 V 40 V 0 V None of these 60 V ANSWER DOWNLOAD EXAMIANS APP
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