Electronic Principles What is one important thing transistors do? Amplify weak signals Regulate voltage None of these Emit light Rectify line voltage Amplify weak signals Regulate voltage None of these Emit light Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 600 V None of these 4.73 24 V 0.4 V 600 V None of these 4.73 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has A load dependent voltage Infinite internal resistance None of these Zero internal resistance A load-dependent current A load dependent voltage Infinite internal resistance None of these Zero internal resistance A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Covalent bonding None of these Lifetime Recombination Thermal energy Covalent bonding None of these Lifetime Recombination Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum None of these The impedance is equal to the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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