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

User Urso
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1 Answer

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
User David Jarrin
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9.2k points
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