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14 April, 11:13

A transformer is connected to 120 volts. Find the current if the resistance is 480

ohms.

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Answers (2)
  1. 14 April, 11:33
    0
    0.25A

    Explanation:

    Data obtained from the question include:

    V (Voltage) = 120v

    R (Resistance) = 480 ohms

    I (current) = ?

    Using V = IR, the current flowing can be obtained as illustrated below:

    V = IR

    I = V / R

    I = 120/480

    I = 0.25A

    Therefore, the current flowing is 0.25A
  2. 14 April, 11:43
    0
    Answer: 0.25 amperes

    Explanation:

    Given that:

    Voltage of transformer = 120 volts.

    current = ?

    resistance = 480 ohms.

    Recall that voltage is a product of current flowing in the circuit by resistance.

    i. e Voltage = curent x resistance

    120 volts = current x 480 ohms

    Current = 120v/480 ohms

    = 0.25 amperes

    Thus, the current in the transformer is 0.25 amperes
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