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Question

The voltage across the terminals of a battery is measured by a potentiometer as 1.80 V while a voltmeter reads the potential difference across the same battery as 1.60 V. If the voltmeter resistance is 100 &Omega;, then <br><br>

किसी विभवमापी द्वारा एक बैटरी के टर्मिनलों के सिरों पर वोल्टता का मापित मान 1.80 V है, जबकि वोल्टमीटर द्वारा उसी बैटरी के सिरों पर विभवान्तर का पठन 1.60 V लिया जाता है। यदि वोल्टमीटर का प्रतिरोध 100 &Omega; है, तब

A
The emf of battery is 1.6 V

बैटरी का वि.वा.ब. 1.6 V है
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B
The emf of battery is 1.8 V

बैटरी का वि.वा.ब. 1.8 V है
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C
The internal resistance of battery is 7.5 Ω

बैटरी का आन्तरिक प्रतिरोध 7.5 Ω है
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D
The internal resistance of battery is 12.5 Ω

बैटरी का आन्तरिक प्रतिरोध 12.5 Ω है
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Solution

The correct option is D The internal resistance of battery is 12.5 Ω

बैटरी का आन्तरिक प्रतिरोध 12.5 Ω है
Solution

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