You have a device that needs a voltage reference of 3.0 V, but you have only a...
You have a device that needs a voltage reference of 3.0 V, but you have only a 9.0 V battery. Fortunately, you also have several 10 k? resistors.
Choose the circuit that shows how you can use the resistors and the battery to make a circuit that provides a potential difference of 3.0 V.
Homework Answers
to get 3 v as potential difference, from a 9 v volt battery
,
we can connect 3 10 ohm resistors in series, when connected in
series each reistor will have the same potential drop across them,
so potential difference across each resistor will be 9/3 = 3
volts
hence first figure is the answer.
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