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 90% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these I = ER E = PR I = E/R E = I2R None of these I = ER E = PR I = E/R E = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere 10000A 1000 A one million amperes None of these one-millionth of an ampere 10000A 1000 A one million amperes None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Secondary voltage None of these Primary voltage Impossible to say Neither Secondary voltage None of these Primary voltage Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these cuts the current through the inductors one-half has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
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