Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 None of these 85 81 9 6 None of these 85 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current All of these None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current All of these None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.5 None of these 0.25 180 4 0.5 None of these 0.25 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals Negative charges Atoms Positive charges None of these Crystals Negative charges Atoms Positive charges None of these ANSWER DOWNLOAD EXAMIANS APP
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