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Usually shorted.

A: NOT CHARGED

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Q: A meter is placed across the capacitor a reading of o volts is given this indicates the capacitoris?
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Why does the voltage reading drop in measuring the potential difference across the capacitors?

Because the capacitor discharges. so voltage across the capacitor decreases.


What does the volt on a capacitor mean?

the voltage number on the capacitor indicates that the capacitor can with stand to that particular voltage across it.generally during design, the value of capacitor will be selected in such a way that this voltage rating should be double than what really we get in the circuit


What two facctors determine the capacitive reactance of a capacitor?

The reactance of a capacitor is a function of -- the capacitance of the capacitor -- the frequency of the voltage across the capacitor


What happens to the charge if you double the voltage across a capacitor?

In order to double the voltage across a capacitor, you need to stuff twice as much charge into it.


What is the function of capacitor across the supply to the fluorescent lamp when it is used?

A capacitor is placed across the supply of a fluorescent lamp circuit to correct the power factor


How do you charge a capacitor?

You charge a capacitor by placing DC voltage across its terminal leads. Make sure when using a polarized capacitor to place positive voltage across the positive lead (the longer lead) and negative voltage across the negative lead. Also make sure that the voltage you charge the capacitor to doesn't exceeds its voltage rating.


Will voltage drop across a capacitor?

basically a capacitor will charge to the input DC level however it will mathematically never happen since capacitors charge at a certain rate the voltage drop across a capacitor will follow the R C time constant or 63% of the applied voltage for a unit time.AnswerIn the case of an a.c. supply, yes, there will be a voltage drop across a capacitor. In the case of an 'ideal' capacitor, this will be the product of the load current and the capacitive reactance of the capacitor.


When a capacitor is charged after 1 time constant the v across the capacitor is?

Depending on the circuit, 63% of the available voltage.


What dies a capacitor do?

Either the electrolyte leaks out or it develops a short across the plates.


What happens to the current in a circuit as a capacitor charges?

What happens to the current in a circuit as a capacitor charges depends on the circuit. As a capacitor charges, the voltage drop across it increases. In a typical circuit with a constant voltage source and a resistor charging the capacitor, then the current in the circuit will decrease logarithmically over time as the capacitor charges, with the end result that the current is zero, and the voltage across the capacitor is the same as the voltage source.


How transistor helps to pass dc across capacitor?

It doesn't.


Why ac voltage is always applied across capacitor?

It's not.