UPS 150 Ah, 12 V బ్యాటరీతో 150 W లోడ్తో బ్యాకప్ చేయబడితే దాని బ్యాకప్ సమయం ఎంత?

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
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  1. 14 గం
  2. 10 గం
  3. 16 గం
  4. 12 గం

Answer (Detailed Solution Below)

Option 4 : 12 గం
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భావన:

లోడ్ పవర్ = 150 వాట్స్

UPSలో ఉపయోగించిన బ్యాటరీ రేటింగ్ = 12 వోల్ట్లు, 150 ఆహ్

బ్యాటరీ ద్వారా సరఫరా చేయబడిన శక్తి = వోల్టేజ్ x Ah

బ్యాటరీ ద్వారా సరఫరా చేయబడిన శక్తి = 12 × 150 = 1800 వాట్-గంటలు

∴ బ్యాటరీ 1800 వాట్-గంటల శక్తిని సరఫరా చేయగలదు

బ్యాకప్ సమయం = (బ్యాటరీ ద్వారా సరఫరా చేయబడిన శక్తి)/(లోడ్ పవర్)

బ్యాకప్ సమయం \(=\frac{1800}{150}=12~h\)

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