MCQ
In potentiometer a balance point is obtained, when
- AThe e.m.f. of the battery becomes equal to the e.m.f. of the experimental cell
- ✓The p.d. of the wire between the +ve end to jockey becomes equal to the e.m.f. of the experimental cell
- CThe p.d. of the wire between +ve point and jockey becomes equal to the e.m.f. of the battery
- DThe p.d. across the potentiometer wire becomes equal to the e.m.f. of the battery
