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प्रश्न
In the Wheatstone bridge, (shown in the figure) X = Y and A > B. The direction of the current between a and b will be ____________.
विकल्प
from a to b
from b to a
from b to a through c
from a to b through c
MCQ
आकृति
रिक्त स्थान भरें
उत्तर
In the Wheatstone bridge, (shown in the figure) X = Y and A > B. The direction of the current between a and b will be from b to a.
Explanation:
In the part c b d,
`"V"_"c" - "V"_"b" = "V"_"b" - "V"_d Rightarrow "V"_"b" = "V"_"c" + "V"_"b"/2`
In the part c a d,
`"V"_"c" - "V"_"a" > "V"_"a" - "V"_d Rightarrow "V"_"c" + "V"_"b"/2 > "V"_"a"`
`Rightarrow "V"_"b" > "V"_"a"`
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