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12 December, 10:47

In a parallel circuit, ET = 240 V, R = 27 kΩ, and XL = 47 kΩ. What is IT?

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  1. 12 December, 11:14
    0
    Step-by-step explanation:

    To find

    total current = IT = ?

    in parallel resistor inductor circuit = ET = EL = ER = 240V

    IT = Square root [ (IR) ² + (IL) ²]

    IR = ER/R

    = 240V / 27kΩ

    = 240V / 27000Ω (IKΩ = 1000Ω)

    = 0.008 ampere.

    IL = EL / XL

    = 240V / 47 KΩ

    =240 V / 47000Ω (IKΩ = 1000Ω)

    = 0.005 amperes

    IT = Square root [ (0.008) ² + (0.005) ²]

    = Square root [ 8.9 * 10^-5]

    = 9.4*10^-3 ampere
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