10 × 0.25 W LED असलेल्या बॅटरी दिव्याचा अंदाजे रनटाइम किती आहे?  6 v-6 AH वर धावणे आहे:

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

Answer (Detailed Solution Below)

Option 1 : 14 तास
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Detailed Solution

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संकल्पना:

ऊर्जा = शक्ती × वेळ

ऊर्जा = व्होल्टेज × प्रवाह × वेळ

गणना:

ऊर्जा = 6 × 6 = 36 W-h

शक्ती = 10 ×  0.25 = 2.5 W

वेळ (t) = ऊर्जा /शक्ती

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