Question

what is the output voltage of a transformer if the input is 240volts, and the number of turns on the primary coil is 1200 and on the secondary coil is 200.​

Answer 1

The output voltage of a transformer is 40V.

What is an output voltage?

An output voltage is the voltage released by a device, such as a voltage regulator or a generator.

The formula to calculate Output voltage of transformer is:

$\frac{V_{s} }{V_{p} } = \frac{N_{s} }{N_{p} }$

here,  $V_{s}$ is the secondary voltage, $V_{p}$ is the primary voltage, $N_{s}$ is the number of secondary windings and $N_{p}$ is the number of primary windings.

According to the question.

$N_{p}$ =1200 , $N_{s}$=200 , $V_{p}$=240V  ,$V_{s}$= ?

By using the formula of Output voltage,

${V_{s} } = \frac{V_{p}N_{s} }{N_{p} }$

=$\frac{240*200}{1200}$

$=40V$

Therefore, 40V is the output voltage of a transformer.

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