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 2 3 43891 43922 None of these 2 3 43891 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density None of these Reluctance Magnetomotive force Number of lines of force Flux density None of these Reluctance Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency All of these None 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 All of these None 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeability Permeance Reluctance Retentivity There is no valid comparison Permeability Permeance Reluctance Retentivity There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet a paramagnetic alloy None of these a natural magnet a temporary magnet an artificial magnet a paramagnetic alloy None of these a natural magnet a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm More than 100 k Ohm Less than 10 Ohm None of these Less than 100 k Ohm At least 10 Ohm More than 100 k Ohm Less than 10 Ohm None of these Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
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