Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
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 Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is an opposition to current flow in dc circuits None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: commutator None of these armature brush loop commutator None of these armature brush loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter None of these Wattmeter Ohmmeter Voltmeter Ammeter None of these Wattmeter Ohmmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
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