Question

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2.
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Answer (Detailed Solution Below)

Option 2 : 90% / 90%

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Detailed Solution

सही उत्तर 90% / 90% है।

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Question:

A transformer delivers 45 kW to the load and its total losses are 5 kW. Its efficiency is / ट्रांसफार्मर लोड को 45 kW देता है और इसकी कुल हानियाँ 5 kW हैं। इसकी दक्षता है

1.
88.9% / 88.9%
2.
90% / 90%
3.
92% / 92%
4.
95% / 95%

Correct Answer: 90% / 90%

$\\eta = \\frac{45}{45 + 5} \\times 100 = 90\\%$. / $\\eta = \\frac{45}{45 + 5} \\times 100 = 90\\%$।

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