अगर बैटरी की क्षमता 4000mAh है, तो यह 4 एम्पियर धारा की आपूर्ति _____ तक कर सकती है। 

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LPSC (ISRO) Technician B (Electronic Mechanic): Previous Year Paper (Held on 4 March 2018)
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  1. 120 मिनट
  2. 240 मिनट
  3. 60 मिनट
  4. 30 मिनट

Answer (Detailed Solution Below)

Option 3 : 60 मिनट
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संकल्पना:

बैटरी की क्षमता को एम्पियर-घंटा के संदर्भ में दर्शाया गया है। 

बैटरी की क्षमता = प्रदान की गयी धारा × समयावधि 

बैटरी क्षमता की इकाई mAh का अर्थ है कि जब किसी बैटरी से 1 mA धारा खींची जाती है, तो यह निर्वहन होने में 1 घंटे का समय लेती है।

गणना:

बैटरी की क्षमता = 4000 mAh

प्रदान की गयी धारा = 4 A

\(Duration \ of \ time = \frac{4000 \ mAh}{4 \ A}\)

\(T = \frac{4000\times10^{-3}h}{4 \ A}=1 \ hour\)

T = 60 मिनट

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