Potential divider circuits Flashcards by Yug Patel

Q

What are potential dividers?

A

Circuits that produce an output voltage as a fraction of its input voltage

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Q

What are the purposes of potential dividers?

A

To produce a variable potential difference
To enable a specific potential difference to be chosen
To split the potential difference of a power source between two or more components

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Q

Potential divider equation

A

V out = (R1 / (R1 + R2)) x V in

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Q

Why are variable resistors used in potential dividers

A

To vary the output voltage
This could cause an external component to switch on in response to changes to the surroundings

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