Physics · Power Electronics
बैकअप पावर प्रदान करने के लिए निम्नलिखित में से किस पावर बैकअप उपकरण को अनिवार्य रूप से एक आंतरिक बैटरी की आवश्यकता होती है?
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अनइंटरप्टिबल पावर सप्लाई (UPS)
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