Question

find the value of x Will excuse no current in galvanometer​

Answer 1

Answer:

$\huge \boxed{ \green{ \bold{20 \: ohm}}}$

Explanation:

◆ This circuit is a Balanced wheatstone bridge .

◆ If no current pass through the Galvanometer then , the ratio of their resistances are equal .

◆ we use wheatstone bridge to determine the unknown resistance in the circuit .

soln refers to the attachment

Answer 2

Explanation:

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