1A potentiometer has uniformpotential gradient across it. Twocells con

1.	1A potentiometer has uniformpotential gradient across it. Twocells connected in series (i) tosupport each other and (ii) tooppose each other, arebalanced over 6 m and 2 mrespectively on thepotentiometer wire. The emfsof the cells are in the ratio of: *O 1:2O 1:1O 3:1O 2:1
Answer» ANSWER: Answer: The emf's of the two cells are in the RATIO 2:1. To FIND: The emf's of the cells ratio=? Solution: If the two cells are connected in SERIES, Then, i) Two support each other=E1+E2=6m ii) Two oppose each other=E1-E2=2m Now, Solve i & ii ⟹ 2E1=8m ⟹ E1=4m Substitute The value of E1 in the equation, ⟹ E2+4m=6m ⟹ E2=2m So, EMF'S of the cells, ⟹ E1/E2=l1/l2 ⟹ E1/E2=4/2 ⟹ E1/E2=2/1 ⟹ E1:E2=2:1

1A potentiometer has uniformpotential gradient across it. Twocells connected in series (i) tosupport each other and (ii) tooppose each other, arebalanced over 6 m and 2 mrespectively on thepotentiometer wire. The emfsof the cells are in the ratio of: *O 1:2O 1:1O 3:1O 2:1

Answer»

ANSWER:

Answer:

The emf's of the two cells are in the RATIO 2:1.

To FIND:

The emf's of the cells ratio=?

Solution:

If the two cells are connected in SERIES,

Then,

i) Two support each other=E1+E2=6m

ii) Two oppose each other=E1-E2=2m

Now, Solve i & ii

⟹ 2E1=8m

⟹ E1=4m

Substitute The value of E1 in the equation,

⟹ E2+4m=6m

⟹ E2=2m

So,

EMF'S of the cells,

⟹ E1/E2=l1/l2

⟹ E1/E2=4/2

⟹ E1/E2=2/1

⟹ E1:E2=2:1

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1A potentiometer has uniformpotential gradient across it. Twocells connected in series (i) tosupport each other and (ii) tooppose each other, arebalanced over 6 m and 2 mrespectively on thepotentiometer wire. The emfsof the cells are in the ratio of: *O 1:2O 1:1O 3:1O 2:1​