The car-battery is of 12 volt. 8 simple cells connected in series can give 12 volt. But such cells are not used in starting a car , why ?

A car battery is of 12 V. Eight dry cells of 1.5 V connected in series can give 12 V. But such cells are not used in starting a car. Why?

A coil and a bulb are connected in series with a 12 volt direct current source. A soft iron core is now inserted in the coil. Then

A coil and a bulb are connected in series with a 12 volt direct current source. A soft iron core is now inserted in the coil. Then

Choose correct alternative. emf of a cell is 2.2 volt. When resistance R = 5 Omega is connected in series potential drop across the cell becomes 1.8 volt. Value of internal resistance of the cell is

Are the headlights of a car connected in series or Parallel ? Why ?

Three capacitors whose capacitances are 5, 10 and 50 microfarads are connected in series across a 12 volt battery. Find the potential difference across each of them.