On interchanging the resistances, the balance point of a meter bridge shifts to the left by

Question:

On interchanging the resistances, the balance point of a meter bridge shifts to the left by $10 \mathrm{~cm}$. The resistance of their series combination is $1 \mathrm{k} \Omega$. How much was the resistance on the left slot before interchanging the resistances ?

  1.  $505 \mathrm{k} \Omega$

  2.  $550 \mathrm{k} \Omega$

  3. $910 \mathrm{k} \Omega$

  4. $990 \mathrm{k} \Omega$

Correct Option: , 2

Solution:


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