how to Calculate the value of RX
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Explanation:
HOW TO CALCULATE THE VALUE OF RX.....
ANS......
Total resistance of the circuit will be independent of the number of cells,
if Rx=Rx+2R+R(Rx+2R)R
or, Rx2+2RRx−2R2=0
On solving and rejecting the negative root of the quadratic equation, we have,
Rx=R(3−1).
THIS IS THE EXAMPLE OF YOUR QUESTION
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