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"Open circuit voltage" is a characteristic of a battery or power supply.

You measure it exactly as the term suggests ... disconnect any load

from it (or open the ON/OFF switch), and measure the voltage across

the terminals of the battery or power supply while it's not supplying

current to anything.

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9y ago
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15y ago

It is the supply voltage with the load disconnected.

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Wiki User

13y ago

zero

That's not always true. If you have a 12 volt battery not connected to anything and

you measure the terminal voltage, it will be 12 volts.

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Q: How do you find open circuit voltage in circuit?
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Related questions

What is open circuit voltage when load is connected?

As load is conected in circuit , so thre is no open circuit therefore there would not be any open circuit voltage.


What benefit is there for getting higher open circuit voltage?

There is no particular benefit for having a higher open-circuit (or 'no-load') voltage. In fact, an ideal voltage source would have no internal resistance and, therefore, its open-circuit voltage would be identical to its closed-circuit voltage.


The voltage measured directly across an open switch in a circuit will be?

The voltage measured across an open in a series circuit is the equivalent of the sourse voltage.


How will you convert a open current circuit to a open voltage circuit?

The first thing you need to know is the internal resistance of the current source, the voltage source will have the same internal resistance. Then compute the open circuit voltage of the current source, this will be the voltage of the voltage source. You are now done.


Even without current flow there can be voltage in a circuit?

Voltage is potential energy and can exist in a open circuit.


Open circuit and short circuit test?

Open circuit means the circuit is not continuous . A short circuit is continuous but has a fault connecting between either live to neutral or earth .As result of this we saw that this answer is unsufficent to explain short and open circuit on the other hand you can use this answer also like i did:)


What is open circuit voltage in a Fuel Cell?

A: All batteries will eventually fail when that occurs the voltage out of then can be zero or higher voltage when new, In that case the battery has failed but if you measure the output it will have a higher voltage because there is no load or open circuit as soon as the load is applied the voltage just disappear this condition is called open circuit voltage


What is open circuit voltage?

The voltage before it is hooked up to a resistive load.


What voltage is measured across an open fuse or switch?

The full circuit voltage


What are three ways in which a circuit can become an open circuit?

Three ways a circuit can be made to be open are, blown fuse, open switch and open contact.


What is a circuit with no current running through it?

Such a circuit either has no voltage source, or some part of the circuit is open, e.g., an open switch.


What is the open circuit voltage of each cell?

12v