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Question

A circuit consists of two ideal cells of emf 6 V and 12 V paired with two resistors of resistance 1 undefined and 2 undefined as shown in figure. An ammeter is connected in the branch containing a variable resistor R. As the resistance of resistor R is increased, the current through ammeter
एक परिपथ में चित्र में दर्शाए अनुसार प्रतिरोध 6 V तथा 12 V के दो प्रतिरोधकों के साथ युग्मित वि. वा. ब. 1 Ω तथा 2 Ω के दो आदर्श सेल हैं। एक अमीटर को परिवर्ती प्रतिरोधक R युक्त शाखा में संयोजित किया जाता है। जब प्रतिरोधक R के प्रतिरोध में वृद्धि की जाती है, तब अमीटर से प्रवाहित धारा

A
Decreases
घटती है
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B
Remains same
समान रहती है
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C
Either increases or decreases
या तो बढ़ती है या घटती है
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D
Increases
बढ़ती है
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Solution

The correct option is B Remains same
समान रहती है
sol.

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