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When a capacitor is connected to a circuit, what happens to the current flow through the capacitor?
When a capacitor is connected to a circuit, the current flow through the capacitor initially increases and then decreases as the capacitor charges up.
How can a capacitor be charged using a battery?
A capacitor can be charged using a battery by connecting the positive terminal of the battery to one terminal of the capacitor and the negative terminal of the battery to the other terminal of the capacitor. This creates a flow of electrons from the battery to the capacitor, storing electrical energy in the capacitor.
What is the formula for calculating the charge stored in a capacitor?
The formula for calculating the charge stored in a capacitor is Q CV, where Q represents the charge stored in the capacitor, C is the capacitance of the capacitor, and V is the voltage across the capacitor.
What two facctors determine the capacitive reactance of a capacitor?
The two factors that determine the capacitive reactance of a capacitor are the frequency of the AC voltage applied to the capacitor and the capacitance value of the capacitor. At higher frequencies and with larger capacitance values, the capacitive reactance decreases.
When does a capacitor discharge?
A capacitor discharges when it releases the stored electrical energy it has accumulated. This typically happens when the capacitor is connected to a circuit or load that allows the energy to flow out of the capacitor.
Why cant capacitor filter connected in series to load?
in output is pulsetting voltage remove the pulses to use the capacitor this passes the pure voltage to the load
What type of function of capacitor in dc power supply?
It filters ac to pure dc
What is the value of power factor for a pure inductor?
Angle between v and i is 90 deg so, cos 90 = 0 Same for pure capacitor
Which filter is practically preferred to get pure DC output?
pi filter is best using inductor and capacitor.
What happens when a bypass capacitor is shorted?
The circuit becomes a pure resistance circuit where current and voltage are in phase with each others.
How diode convert pure ac to pure dc?
You can't convert ac to pure dc with diode only. The easiest way to convert ac to dc by with diode is by using rectification, it consist of at least 2 diodes (half wave rectifier) and (capacitor is to "smoother" the wave).
What is dc link capacitor?
when the DC current flows through the capacitor .the leakage of the charges is in capacitor called Dc leakage capacitor .
Can you by-pass a capacitor in an electric motor?
You can not by-pass the capacitor in an electric motor. Most are capacitor-start motors which require the capacitor to be operational in order to start. If the capacitor is not working then it will need to be replaced.
When a capacitor is connected to a circuit, what happens to the current flow through the capacitor?
When a capacitor is connected to a circuit, the current flow through the capacitor initially increases and then decreases as the capacitor charges up.
Why gang capacitor called so?
GANG capacitor is called so because it group of capacitor
What is the phase relationship of voltage across a capacitor and current though the capacitor?
In a capacitor, the current LEADS the voltage by 90 degrees, or to put it the other way, the voltage LAGS the current by 90 degrees. This is because the current in a capacitor depends on the RATE OF CHANGE in voltage across it, and the greatest rate of change is when the voltage is passing through zero (the sine-wave is at its steepest). So current will peak when the voltage is zero, and will be zero when the rate of change of voltage is zero - at the peak of the voltage waveform, when the waveform has stopped rising, and is about to start falling towards zero.
How can a capacitor be charged using a battery?
A capacitor can be charged using a battery by connecting the positive terminal of the battery to one terminal of the capacitor and the negative terminal of the battery to the other terminal of the capacitor. This creates a flow of electrons from the battery to the capacitor, storing electrical energy in the capacitor.
