Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V None of these 30 V 12 V 18 V 24 V None of these 30 V 12 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor None of these two conductors separated by a dielectric two dielectrics separated by a conductor two coils separated by a dielectric two coils separated by a conductor None of these two conductors separated by a dielectric two dielectrics separated by a conductor two coils separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: armature battery rotor None of these commutator armature battery rotor None of these commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons None of these An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons None of these An atom that contains more electrons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP