17) What is the supply voltage if a current of 2 ampere flows through 10 Ohm resistor in a circuit?

18) Which law relates to voltage, current and resistance in an electrical circuit?

19) What is the rotor speed with respect to stator field speed in an induction motor?

20) What is the load resistance in an electrical circuit, if current, I = 2 amp and supply, V = 10 volt?

21) Which material is used to avoid oxidation between aluminium conductor and the terminal?