Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? None of these 1590 Ohm less than 1 Ohm 690 Ohm 312 Ohm None of these 1590 Ohm less than 1 Ohm 690 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material None of these All of these A diamagnetic material A feiTomagnetic material A paramagnetic material None of these All of these A diamagnetic material A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 600 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
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