Consider the potentiomter circuit diagra...

Consider the potentiomter circuit diagram as shown in the figure. If the potentiometer wire BD has net resistance of 15Omega, the choose the correct statement

For null point of galvanometer ,BX =0.5m

For null point of galvanometer ,BX =0.80m

For null point of galvanometer ,BX =0.1m

For null point will be obtained for the circuit shown circuit

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