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Electric effects

  • Game Code: 853979
  •  English    11     Public
    Electric effects
  •   Study   Slideshow
  • The coil of wire gets heated when electric current passes through it is know as
    Heating effect of the electric current
  •  10
  • A _________ is a safety device which prevents damages to electrical circuits and possible fires.
    Fuse
  •  10
  • The amount of heat produced in the coil of wire depends on
    Type of Material, Length and Thickness of the Material.
  •  15
  • Who was the first person to notice the deflection of compass needle everytime the current passes through the wire.
    Hans Christian oersted
  •  5
  • If a positive terminal of one cell is connected to the negative terminal of the next cell it is known as
    Battery
  •  5
  • Direction of magnetic field produced by a current carrying loop can be found by using
    Right Hand Thumb Rule
  •  10
  • Magnetic field inside a long solenoid carrying current is
    same at all points (uniform)
  •  15
  • A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid will
    Increases
  •  10
  • Connection of more than one device/ appliance to a single socket is called-
    Overloading
  •  10
  • The heating effect of an electric current is used in
    Hair dryer, Electric Iron, Room Heater etc
  •  5
  • The purpose of a __________ is to control whether a circuit is closed or open.
    Electric Switch
  •  10
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