10 identical cell in series are connected to the ends of a resistance of 59,the current is found to be 0.25A. But when the same cells being connected in parallel,are joined to the ends of a resistance of 0.05
,the current is 25A EMF (in V) of each cell is
1.5
0.5
1
2
As we learnt
Equivalent e.m.f of combination -
-
In series:
In parallel:
(1)-(2)
5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d