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If the effective resistance between the point of A and B in th

Question

Medium

Solving time: 3 mins

If the effective resistance between the point of $A$ and $B$ in the circuit as shown in the figure is $5Ω$ , then what is the value of $R$ ?

$-$

$-$

10Ω

20Ω

30Ω

40Ω

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Henry Discussed

If the effective resistance between the point of

A

and

B

in the circuit as shown in the figure is

5Ω

, then what is the value of

R

-

-

5 mins ago

Discuss this question LIVE

5 mins ago

Text solutionVerified

\frac{1}{R _{e ff}} = \frac{1}{R} + \frac{1}{10} + \frac{1}{30} + \frac{1}{30}

\frac{1}{5} = \frac{1}{R} + \frac{3 + 1 + 1}{30}

\frac{1}{5} = \frac{1}{R} + \frac{5}{30}

\Rightarrow \frac{1}{R} = \frac{1}{5} - \frac{1}{6} = \frac{6 - 5}{30}

∴ R = 30Ω

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Question Text	If the effective resistance between the point of $A$ and $B$ in the circuit as shown in the figure is $5Ω$ , then what is the value of $R$ ? $-$ $-$
Topic	Electricity
Subject	Science
Class	Class 10
Answer Type	Text solution:1
Upvotes	72