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Q.

Four resistance R, 3R, R and 3R are connected as shown in figure. The two real voltmeters are identical and Ammeter is ideal. If the value of R is 25NΩ , find the value of N. You decide arrangement of the resistances so that the given conditions are satisfied.

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answer is 2.5.

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Detailed Solution

x+y=6⇒x=3.5mA

x=1+yy=2.5mA

KVL:

72×3R−52R=500

R=5008

Rv=0.510−3=500Ω

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