Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 754 Ohm 60 Ohm 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm 30 Ohm 120 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm one million ohms None of these 1 k ohm one-millionth of an ohm 100,000 ohm one million ohms None of these 1 k ohm one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc None of these All of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43922 3 43891 2 None of these 43922 3 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device photodiode solar cell None of these nicad cell piezoelectric device photodiode solar cell None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two dielectrics separated by a conductor None of these two coils separated by a dielectric two conductors separated by a dielectric two coils separated by a conductor two dielectrics separated by a conductor None of these two coils separated by a dielectric two conductors separated by a dielectric two coils separated by a conductor ANSWER DOWNLOAD EXAMIANS APP
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