Electronic Principles What form of energy is used for creating static electricity? Solar energy Chemical energy Light energy None of these Mechanical energy Solar energy Chemical energy Light energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? None of these 157 raA 2.02 A 0.151 mA 0.995 mA None of these 157 raA 2.02 A 0.151 mA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 208 mA 300 mA 200 mA 7.8 mA None of these 208 mA 300 mA 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RL circuit None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
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