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Anonymous
Anonymous asked in Science & MathematicsPhysics · 2 months ago

Physics circuit question.?

A 120-V circuit in a house is equipped with a 30-A fuse that will interrupt if the current exceeds 30A. What is the smallest resistance that can be plugged into the circuit without causing the fuse to interrupt?

3 Answers

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  • oubaas
    Lv 7
    1 month ago

    Rmin = V/Imax = 120 V / 30 A = 4.0 ohm 

  • ?
    Lv 7
    2 months ago

    Resistance of at least 4 ohms.

  • 2 months ago

    R = E/I = 120/30 = 4 Ω

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