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  • In a meter bridge the point D is a neutral point (Figure). A. The meter bridge can have no other neutral point for this set of resistances.

In a meter bridge point D is a neutral point (Figure).


A. The meter bridge can have no other neutral point for this set of resistances.
B. When the jockey contacts a point on the meter wire left of D, current flows to B from the wire.
C. When the jockey contacts a point on the meter wire to the right of D, current flows from B to the wire through the galvanometer.
D. When R is increased, the neutral point shifts to the left.

Answers (1)

Explanation:

No current will flow through the Galvanometer when the jockey is placed at D. The Potential Difference between B and D is zero. If the jockey is placed to the right of D, the Potential at B becomes greater than the potential at D, and the current flows from B to D.

The correct answer is the option c.

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infoexpert24

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