1) Why all the equipments are connected in parallel to the supply give explanation for for your answer.
2) State resistance and on which factors resistance of a conductor depends?
3) State and describe law of magnetic force.
4) An iron ring of 400 con mean circumference is made from round iron of cross section 20 cm2. Its permeability is 500. If it is wound with 400 turns, what current would be required to produce a flux of 0.001 wb?
5) What do you understand by self induced emf and mutually induced emf?
6) Write down at least five significant applications of a lead acid battery.
7) Define r.m.s. value and average value of an alternating quantity.
8) What are the advantages of three phase system over one phase system?