Meter Bridge-1!

In a meter bridge, point DD is neutral point as shown in the figure.

Which of the following statements is correct

(A) The meter bridge cannot be configured to have any other neutral point for this set of resistances.

(B) When the jockey contacts a point on meter wire left of DD, current flows to BB from the wire.

(C) When the jockey contacts a point on the meter wire to the right of DD, current flows from BB to the wire through galvanometer.

(D) When RR is increased, the neutral point shifts to left.

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