In a Wheatstone bridge (see fig.), Resistances $P$ and $Q$ are approximatelyequal. When $R = 400Ω$ , the bridge is balanced. On interchanging $P$ and $Q$ , the value of $R,$ for balance, is $405Ω$ . The value of $Y$ is close to
Options:
Answer:
D
Solution:
$402.5 ohm$

Question

In a Wheatstone bridge (see fig.), Resistances $P$ and $Q$ are approximatelyequal. When $R = 400Ω$ , the bridge is balanced. On interchanging $P$ and $Q$ , the value of $R,$ for balance, is $405Ω$ . The value of $Y$ is close to

Question diagram: In a Wheatstone bridge (see fig.), Resistances P and Q are a

Options:

Answer:

D

Solution:

$402.5 ohm$

TestHub · Accepted Answer

402.5 ohm

Physics - Current Electricity Question with Solution | TestHub

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