Current Electricity Ques 19
- If each of the resistances in the network shown in the figure is $R$, what is the resistance between the terminals $A$ and $B$ ?
(1978)
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Answer:
Correct Answer: 19.$R$
Solution:
Formula:
- The given circuit makes a balanced Wheatstone’s bridge. The resistance between $P$ and $Q$ can be removed. All resistors have value $R$.
$$ \therefore \quad R _{A B}=R $$
BETA
