We get light from a thin tiny wire inside the glass cover in the Bulb, The tiny wise is called
  • Fused
  • Cell
  • Filament
  • Current
The device used to open and closed the circuit
  • Cell
  • Terminal
  • Resistance
  • Electric Switch
Metal cap of the electric cell is
  • Positive terminal
  • Negative terminal
  • Both (a) and (b)
  • None of these
The electrolyte in a zinc-carbon dry cell is
  • Zinc Chloride
  • Manganese dioxide
  • Ammonium chloride
  • Sodium Hydroxide
Choose the incorrect statement.
  • A switch is the source of electric current in a circuit.
  • A switch help to complete or break the circuit.
  • A switch helps us to use electricity as per our requirement.
  • When the switch is open there is an air gap between its terminals
Which one of these arrangements should not be used
class-6-chapter-12-q8.png
  • A
  • B
  • C
  • D
which of the following circuits A, B and C given below the cell will be used up very rapidly?
class-6-chapter-12-q9.png
  • A
  • B
  • C
  • All will be same
The electric current flows from
  • Positive to negative terminal
  • Negative to positive terminal
  • Sometimes positive to negative and sometimes to Negative to positive terminal
  • None of these
Filament of a torch bulb is
  • a metal case.
  • two thick wires.
  • a thin wire.
  • metal tip at the centre of the base
Match the column
class6-science-chapter-12-mcq-3.png
  • p - ii, q ->i, r-> i, s ->ii
  • p - ii, q ->ii, r-> i, s ->i
  • p - i, q ->i, r-> ii, s ->ii
  • p - i, q ->ii, r-> i, s ->ii
Who invented electric cell?
  • Nikola Tesla
  • Ada Lovelace
  • Alessandro Volta
  • Thomas Alva Edison
Who invented the first electric bulb?
  • Thomas Alva Edison
  • Alessandro Volta
  • Georges Leclanche
  • None of these
A dry cell converts
  • chemical energy into electrical energy
  • chemical energy into heat energy
  • electrical energy into chemical energy
  • electrical energy into heat energy
The filament of a bulb is made up of
  • Chromium
  • Platinum
  • Silver
  • Tungsten
An electric switch is also sometimes referred to as a
  • Circuit
  • Battery
  • Key
  • Cell
The closed path in which the current flows is called a/an
  • Electric circuit
  • Conductor
  • Cell
  • None of these
A bulb has
  • Two terminals and two filaments.
  • One terminal and two filaments
  • Two terminals and one filament.
  • one terminal and one filament.
To prevent electric shocks, the metallic electrical wires are covered with an insulating agent like
  • Wood
  • Iron
  • Copper
  • Plastic
Which of the following is a bad insulator?
  • Wood
  • Plastic
  • Copper
  • Rubber
Puja is running short of connecting wires. To complete an electric circuit, she may use a
  • glass bangle
  • thick thread.
  • rubber pipe
  • steel spoon.
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