6 v-6 AH-ൽ പ്രവർത്തിക്കുന്ന, 10 × 0.25 W LED അടങ്ങിയ ബാറ്ററി ലാമ്പിന്റെ ഏകദേശ റൺടൈം എത്രയാണ്?

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

Answer (Detailed Solution Below)

Option 1 : 14 മണിക്കൂർ 
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Detailed Solution

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ആശയം:

ഊർജ്ജം = പവർ × സമയം 

ഊർജ്ജം = വോൾട്ടേജ് × കറന്റ് × സമയം 

കണക്കുകൂട്ടൽ:

ഊർജ്ജം = 6 × 6 = 36 W-h

പവർ = 10 ×  0.25 = 2.5 W

സമയം (t) =  

t=362.5=14.4h14hours

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