Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits 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? None of these 0.4 V 600 V 24 V 4.73 None of these 0.4 V 600 V 24 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.4 A 0.3 A None of these 0.6 A 0.2 A 0.4 A 0.3 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Infinite internal resistance None of these A load-dependent current A load dependent voltage Zero internal resistance Infinite internal resistance None of these A load-dependent current A load dependent voltage Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges Crystals None of these Atoms Negative charges Positive charges Crystals None of these Atoms Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? None of these The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage of a series circuit is equal to the total current divided by the total resistance ANSWER DOWNLOAD EXAMIANS APP
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