Electronic Principles One henry of inductance is defined as: the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz the amount of counter emf required to reduce a current to 1 A the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it None of these the amount of inductance required to change the frequency of a current by 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm less than 1 Ohm None of these 1590 Ohm 690 Ohm 312 Ohm less than 1 Ohm None of these 1590 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V None of these 20 V 0.17 V 10.17 V 18.8 V None of these 20 V 0.17 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
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