Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V None of these 120 V 100 V 170 V 180 V None of these 120 V 100 V 170 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 7.5 V 16 V 8 V 3 V None of these 7.5 V 16 V 8 V 3 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these base current emitter current collector current supply current None of these base current emitter current collector current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? None of these 707 V 700 V 208 V 651 V None of these 707 V 700 V 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these An atom that contains more electrons than neutrons An atom that contains more electrons than protons An atom that contains more protons than neutrons An atom that contains more protons than electrons None of these An atom that contains more electrons than neutrons An atom that contains more electrons than protons ANSWER DOWNLOAD EXAMIANS APP
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