You are Sunita/Sunil of 49, Oldams, Samudranagar. You have recently come across an advertisement for the post of Football Coach in Five Star Sports Academy. Write an application along with your bio-data.
You are Mridula/Mridul from 7, M Layout, Neelpuri. You have recently come across reports of hit-and-run cases, in which mostly juveniles were involved. These incidents have taken away some precious lives. As a responsible citizen, write a letter to the editor of a national daily expressing your concern and suggest measures to prevent such incidents in the future. You may use the following cues along with your own ideas to compose the letter.
Two batteries of emf's \(3V \& 6V\) and internal resistances 0.2 Ω \(\&\) 0.4 Ω are connected in parallel. This combination is connected to a 4 Ω resistor. Find:
(i) the equivalent emf of the combination
(ii) the equivalent internal resistance of the combination
(iii) the current drawn from the combination
Four students of class XII are given a problem to solve independently. Their respective chances of solving the problem are: \[ \frac{1}{2},\quad \frac{1}{3},\quad \frac{2}{3},\quad \frac{1}{5} \] Find the probability that at most one of them will solve the problem.