Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 None of these 4 0.25 180 0.5 None of these 4 0.25 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? None of these A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons many Only those produced by thermal energy None of these Same number as free electrons less than the free electrons many Only those produced by thermal energy None of these Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current. is greater than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Open-load current Thevenin current None of these Thevenin voltage Shorted-load current Open-load current Thevenin current None of these Thevenin voltage Shorted-load current ANSWER DOWNLOAD EXAMIANS APP
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