NEET Questions Solved

PMT - 1995

Five resistors of given values are connected together as shown in the figure. The current in the arm BD will be 

(1) Half the current in the arm ABC

(2) Zero

(3) Twice the current in the arm ABC

(4) Four times the current in the arm ABC

(2) This is a balanced Wheatstone bridge circuit. So potential at B and D will be same and no current flows through 4R resistance.

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