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Question

"The galvanometer shown in the figure has resistance 10 Ω. It is shunted by a series combination of a resistance S = 1 Ω and an ideal cell of emf 2 V. A current 2 A passes as shown in the figure.
चित्र में दर्शाए गेल्वेनोमीटर का प्रतिरोध 10 Ω है। इसे प्रतिरोध S = 1 Ω तथा वि. वा. ब. 2 V के एक आदर्श सेल के श्रेणी संयोजन द्वारा शंटित किया जाता है। धारा 2 A चित्र में दर्शाए अनुसार गुजरती है।

A
The reading of the galvanometer is zero
गेल्वेनोमीटर का पाठ्यांक शून्य है
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B
The potential difference across the resistance S is 2 V
प्रतिरोध S के सिरों पर विभवान्तर 2 V है
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C
The reading of the galvanometer is 1 A
गेल्वेनोमीटर का पाठ्यांक 1 A है
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D
The potential difference across the resistance S is 1.5 V
प्रतिरोध S के सिरों पर विभवान्तर 1.5 V है
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Solution

The correct option is B The potential difference across the resistance S is 2 V
प्रतिरोध S के सिरों पर विभवान्तर 2 V है
sol.

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