10 × 0.25 W LED கொண்டிருக்கும் மின் கலந்து அடுக்கு விளக்கின் தோராயமான இயக்க நேரம். 6 v-6 AH இல் இயங்குவது:

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

Answer (Detailed Solution Below)

Option 1 : 14 மணி நேரம்
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Detailed Solution

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கருத்து:

ஆற்றல் = திறன் × நேரம்

ஆற்றல் = மின்னழுத்தம் × மின்னோட்டம் × நேரம்

கணக்கீடு:

ஆற்றல் = 6 × 6 = 36 W-h

திறன் = 10 × 0.25 = 2.5 W

நேரம் (டி) = ஆற்றல்/திறன் 

\(t = \frac{{36}}{{2.5}} = 14.4\;h \approx 14\;hours\)

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