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3 May, 17:15

In a parallel circuit, ET = 240 V, R = 30 Ω, and XL = 40 Ω. What is IT?

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  1. 3 May, 18:36
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    We have a parallel RL circuit where we have following:

    Total voltage, ET = 240 Volts,

    Resistance, R = 30 ohm,

    Inductive Reactance, XL = 40 ohm.

    In parallel circuit, the voltage across resistor and inductor remains same.

    VR = VL = V = 240 Volts

    Using Ohm's Law, the current across resistor would be IR = V / R = 240/30 = 8 amp.

    Using Ohm's Law, the current across inductor would be IL = V / XL = 240/40 = 6 amp.

    Now, Total current would be (IT) ² = (IR) ² + (IL) ²

    (IT) ² = 8² + 6² = 64 + 36 = 100

    IT = 10 amp.
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