Other questions in this quiz

2. The National Grid uses thick copper wires in order to

  • keep the maintenance low
  • keep it corrosion free
  • keep the resistance low
  • keep the cost low

3. A switch is normally connected across

  • the live wire
  • the neutral wire
  • either of them
  • none is correct

4. Resistance of a wire depends on

  • all above
  • density
  • length and diameter
  • mass

5. A wire of resistance 4 Ohms is folded in half and then twisted. Its new resistance in Ohms,

  • 4
  • 8
  • 2
  • 1

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all D.C. Electricity resources »