An 18 v battery connected to a resistor produces a 5 mA( milliamp) current. What is the resistance? Show work

asked Aug 13, 2023 119k views

1 vote

by Urso

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5 votes

By the Ohm’s law:
I=U/R (I - current, U - electrical potential, R - resistance)
Therefore, R=U/I

I=5mA=0.005A
U=18V
R=18:0.005=3600 Ohm

David Jarrin answered Aug 18, 2023

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