What is a magnetic field?

9 State Fleming's right Hand Rule. Give the principle, construction and working of the AC generator with a simple diagram. What modification will you suggest so that the output is DC 10 How can you convert an A.C. into a D.C. generator? 12 Distinguish between a solenoid and a bar magnet. Draw the magnetic lines for both 13 What is electromagnetic induction? Explain how the movement of a magnet towards or away from a coil carrying a galvanometer produce current? Write the rule to find the direction of current in this above coil.