A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If the voltage in the primary coil is 200 V, then the voltage in the secondary coil is

100 V

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150V

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200V

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250V

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Solution

The correct option is B 150V
$\frac{N_{P}}{N_{S}} = \frac{1500}{1125} = \frac{200}{V_{S}}$
$V_{S} = \frac{2 \times 1125}{15} = \frac{2 \times 225}{3}$
$= \frac{450}{3}$
$V_{s} = 150 V$

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A transformer has 1500 turns in the primary coil and 1125 turns in the secondary coil. If the voltage in the primary coil is 200 V, then the voltage in the secondary coil is

The correct option is B 150VNPNS=15001125=200VS VS=2×112515=2×2253 =4503 Vs=150V

The correct option is B 150V
$\frac{N_{P}}{N_{S}} = \frac{1500}{1125} = \frac{200}{V_{S}}$
$V_{S} = \frac{2 \times 1125}{15} = \frac{2 \times 225}{3}$
$= \frac{450}{3}$
$V_{s} = 150 V$