Home
Class 12
PHYSICS
The equation , E1/E2 = (l1 + l2)/(l1 - l...

The equation , `E_1/E_2 = (l_1 + l_2)/(l_1 - l_2)` is used to compare emfs of two cells by

A

individual method

B

sum and difference method

C

null deflection method

D

equal deflection method

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Two cells having unknown emfs E_1 and E_2 (E_1 > E_2) are connected in potentiometer circuit so as to assist each other. The null point is obtained at 8.125m from higher potential end. When cell E_2 is connected so as to oppose cell E_1 , the null point is obtained at 1.25m from the same end compare the emfs of two cells.

Describe how a potentiometer is used to compare the e.m.f.s of two cells by connecting them separately.

Describe how potentiometer is used to compare the e.m.f.s of two cells by combination method.

When two cells of emfs. E_1 and E_2 are connected in series so as to assist each other, their balancing length on a potentiometer is found to be 2.7 m. When the cells are connected in series so as to oppose each other, the balancing length is found to be 0.3 m. Compare the emfs of the two cells.

In a potentiometer experiment two cells of e.m.f. E1 and E2 are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E2 is reversed, then the balancing length becomes 29 cm . The ratio (E_(1))/(E_(2)) of the e.m.f. of the two cells is

Show that for pipe closed at one end, the end correction is e= (n_1l_1-n_2l_2)/(n_2-n_1) where, the symbols have their usual meaning.

If the direction cosines of two lines are l_(1), m_(1), n_(1) and l_(2), m_(2), n_(2) , then find the direction cosine of a line perpendicular to these lines. a) l_(1)+l_(2),m_(1)+m_(2),n_(1)+n_(2) b) l_(1)-l_(2),m_(1)-m_(2),n_(1)-n_(2) c) m_(1)n_(2)-m_(2)n_(1),n_(1)l_(2)-n_(2)l_(1),l_(1)m_(2)-l_(2)m_(1) d) l_(1)+2l_(2),m_(1)+2m_(2),n_(1)+2n_(2)

The mutual inductance (M) of the two coils is given as 1.5H . The self inductance of the coils are , L_1 = 5H , L_2 = 4H .Find the coefficient of coupling between the coils.

[L^2 M^1 T^(-2)] is the dimensional formula for

Describe the use of potentiometer to compare the e.m.f. of two cells by the direct method (individual method).