Question

.
A potentiometer wire i 1om long and pottential
clifference of 6V is maintained between its ends.find the
6m. f of the cell balanced against a
length of 180 cm of potentiomethit wire​

Answer 1

Answer:

formula

E

1

E

=

l

1

l

E - potential difference across ends =6V

E

1

- emf of cell

l - length of wire

l

1

- balancing length

E

1

6

=

180

1000

E

1

=

100

108

E

1

=1.08V