Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 37.4 V 30.4 V 35.4 V 38.74 V None of these 37.4 V 30.4 V 35.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells piezoeletric cells None of these voltage generators chemical cells solar cells piezoeletric cells None of these voltage generators chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The algebraic sum of voltages in a loop is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The algebraic sum of voltages in a loop is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 300 mA 200 mA 208 mA 7.8 mA None of these 300 mA 200 mA 208 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is None of these 20 V 0.8 V 0.7 V None of these 20 V 0.8 V 0.7 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and ions Electrons, ions, and neutrons None of these Protons only Electrons, protons, and neutrons Electrons, protons, and ions Electrons, ions, and neutrons None of these Protons only Electrons, protons, and neutrons ANSWER DOWNLOAD EXAMIANS APP
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