Practice Test | Kullabs.com
0%
  • The polarity of the current changes according to its frequency ______.

    none
    AC current
    DC current
    both AC and DC
  • The special wire that melts when certain amount of electricity flows through it is ______.

    ammeter
    galvanometer
    voltage
    fuse
  • What is the full form of MCB?

    Miniature Circuit Branch
    Miniature Circuit Breaker
    Miniature Code Breaker
    Magnetic Circuit Breaker
  • ______ is a source of sound that converts electrical energy into kinetic energy and then sound energy.

    Cycle
    Bulb
    Electric bell
    Fan
  •  ______ is a system where excessive electricity is passed through it into the ground.

    Surfacing
    Earthing
    Wiring
    Grounding
  • In household normally ______ of fuse is used.

    5 to 15A
    2 to 12A
    1 to 10A
    4 to 14A
  • In small scale industries up to ______ of fuse is used.

    40A
    15A
    30A
    60A
  • You scored /7


    Take test again