Electronic Principles What is a negative ion? An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these causing an ac phase shift greater than 90 degree dissipating 1 W of power storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 754 Ohm None of these 60 Ohm 30 Ohm 120 Ohm 754 Ohm None of these 60 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.5 0.25 180 4 None of these 0.5 0.25 180 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: less than the value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values less than the value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Only those produced by thermal energy Same number as free electrons None of these many less than the free electrons Only those produced by thermal energy Same number as free electrons None of these many ANSWER DOWNLOAD EXAMIANS APP
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