M S asked in Science & MathematicsPhysics · 7 years ago

Physics Circuit HELP?

A circuit has a closed switch and a 12.0 V battery. The circuit has a .25 A current through it. Find the resistance of the resistor?

--- Thanks in advance!

2 Answers

  • 7 years ago
    Favorite Answer

    Hello M S, we use the expression R = V/I

    Given V = 12 V and I=0.25 A

    So applying we get R = 48 ohm

  • 7 years ago

    I believe you use ohms law: V=IR




    12=.25R or


    Hope that helps!

    Source(s): Ohm's Law
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