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21 June, 20:20

I Transformer I got primary coil with 300 turns and a secondary coil with 600 turns adult voltages 75 volts what is the input voltage

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Answers (2)
  1. 21 June, 20:43
    0
    Formula

    Primary Turns / Primary Voltage = Secondary Turns/Secondary Voltage

    Givens

    Primary Turns = 300 Secondary Turns = 600 Primary voltage = x Secondary Voltage = 75

    Solution

    300 / x = 600 / 75 Cross multiply

    600*x = 300 * 75 Combine the right

    600*x = 22500 Divide by 300

    x = 22500/600 Do the division

    x = 37.5 Answer
  2. 21 June, 20:47
    0
    We know that,

    The ratio between voltages in the coils is the same as the ratio of number of turns in the coil

    Equation: (Vp / Vs) = (Np / Ns)

    Ns, Np = no. of turns on secondary and primary coils respectively

    Vs, Vp = no. of turns on secondary and primary voltages respectively

    (Vp / Vs) = (Np / Ns)

    Vp / 75 = (300 / 600)

    Vp = 37.5 Volts

    input voltage is 37.5 volts.
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