लैपटॉप को बिना सीधे बिजली कनेक्शन के चलाने वाला घटक कौन-सा है?
Which component allows a laptop to operate without a direct power connection?
Explanation opens after your attempt
B. बैटरीBattery
Concept
A battery stores electrical energy and powers a laptop. Identify it as a power source in exams.
Why this answer is correct
The correct answer is B. बैटरी / Battery. A battery stores electrical energy and powers a laptop. Identify it as a power source in exams.
Exam Tip
बैटरी विद्युत ऊर्जा संग्रहीत करके लैपटॉप को चलाती है। परीक्षा में इसे ऊर्जा स्रोत पहचानें।
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