Question #280588

A certain electrical device has an unknown resistance. You have available a 12 V battery and an ammeter. How would you determine the value of the unknown resistance? Draw the necessary circuit connections.



1

Expert's answer

2021-12-19T18:27:14-0500

Connect the circuit as shown below.



Read the value of current (I) flowing from the ammeter.

Calculate the value of the resistance, R using the formula,

R=VIR=\frac{V}{I}


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