इस वीडियो मे इलेक्ट्रिक frequency के बारे मे बताया गया है।
what is frequency
what is frequency part - 1
what is frequency of electricity
what is frequency in electricity
what is frequency
frequency
what is the frequency
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Негізгі бет Ғылым және технология what is frequency part - 1|what is frequency|what is frequency in electricity
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