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It travels from negative to positive. The opposite of what you might think.
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∙ 13y ago
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Why is there a difference between dc pass through and bidirectional with coaxial splitters?
A DC pass through will pass a DC voltage in only one direction. Bidirectional will let a DC voltage travel both directions.
What voltage is DC?
A voltage DC(direct current voltage) is a uni-direction steady voltage. It is the opposite of an analog/alternative voltage which varies in polarity and direction with time.
What direction do you travel to get from Baltimore to Washington DC?
South
Why freqvency in AC and Why not in DC Voltage?
In AC voltage, frequency refers to the number of complete cycles per second that the voltage alternates direction. This is because in AC voltage, the direction of current flow continuously changes over time. In DC voltage, there is no alternation of direction, so frequency is not applicable.
What happened to electron under ac voltage and dc voltage?
Under AC voltage, electrons in a conductor will continuously change direction due to the alternating nature of the voltage, leading to an oscillating current flow. Under DC voltage, electrons flow steadily in one direction through the conductor, resulting in a constant current.
How can the output voltage of a DC generator's polarity be reversed?
The polarity of DC generator can be reversed by reversing the field current as well as direction of rotation
Why capacitors cannot be used with direct current?
DC does not travel through a capacitor for long because there is a buildup of charge on the plates and when the voltage matches the supply voltage, mo more current flows. But capacitors are used to smooth a DC supply because a capacitor acts a bit like a small battery and can prevent any rapid fluctuations in the supply voltage.
What is the function of commutators?
To reverse the direction of current.it converts ac voltage produced at the armature to the pulsating DC voltage at brush terminals
How does a diode change from AC to DC?
it clips all the bottom voltage off the sine wave,to get steady dc voltage you will need to clean up the ripple to get good voltage regulation <><><> A diode does not change AC to DC, but it does allow alternating current to flow in only one direction. A diode (or often 2 or 4 diodes) with a filter can be used to rectify AC into DC.
Which apparatus changes a direct current to alternating current?
An inverter is the apparatus that changes direct current (DC) to alternating current (AC). It does this by converting the fixed voltage and direction of DC electricity into an oscillating voltage and alternating direction of AC electricity.
Why are you using DC voltage for pressure test?
There's no such thing as a 'negative voltage' in the 'polarity' sense, only in the 'direction' sense. So what exactly are you asking?
Does alternating voltage changes its value or direction?
AC voltage with no DC offset will change both it's voltage level (constant change, hence AC) and polarity (ie direction) every 1/2 cycle when it crosses zero.
