In a certain power semiconductor switch, switching power loss is 150 watts at a frequency of 50 kHz.
What will be the switching power loss, if switch is made to operate on 68.73 kHz?

206.19 watts

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201.02 watts

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109.12 watts

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150 watts

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Solution

The correct option is A 206.19 watts
As we know,
Switching power loss $\propto$ frequency
$P_{s w (f = 68.73 k H z)} = \frac{68.73}{50} \times 150 = 206.19 w a t t s$

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