Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle None of these The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC None of these Increases Decreases Stays the same 0oC None of these Increases Decreases Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc 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 ac circuits Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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