In a meter bridge the point D is a neutral point (Fig. 2(EP).4).
A. The meter bridge can have no other neutral A point for this set of resistances
B. When the jockey contacts a point on 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 galvanometer
D. When R is increased the neutral points shifts to left
