Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance has no effect on the capacitive reactance cuts the capacitive reactance in half None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 None of these 85 6 9 81 None of these 85 6 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 equal to 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 less than the sum of the resistance and capacitive reactance The impedance is equal to 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 less than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a conductor a piece of copper wire None of these an insulator a battery a conductor a piece of copper wire None of these an insulator a battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Forward-biased None of these Reverse-biased Operating in the breakdwon region Nonconducting Forward-biased None of these Reverse-biased Operating in the breakdwon region Nonconducting 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 4.73 600 V None of these 24 V 0.4 V 4.73 600 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
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