WorksheetsCh: Electricity and Circuits
Total questions: 25
Worksheet time: 19mins
Cell is a device which
converts chemical energy into electrical energy
electrical energy into light energy
electrical energy into magnetic energy
None of these
A bulb has
two terminals and one filament
two terminals and two filaments
multiple terminals and single filament
single terminal and single filament
Filament of a bulb is made up of
aluminium
chromium
platinum
tungsten
Bulb glows only in
closed circuit
open circuit
in both circuits
open circuit if bulb is not fused
The tiny coiled metal wire present inside the bulb is called ___
Element
Conductor
Filament
None of these
_____ is an electric device which easily closes or opens an electric circuit.
Filament
Electric bulb
Electric switch
Electric cell
A material which does not allow the electricity to pass through it is _____
a conductor
an electric cell
an insulator
none of these
The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.
negative to positive
positive to negative
positive to positive
none of these
A path along which electricity can flow is a ___________________?
light bulb
switch
insulator
circuit
When a circuit is open, the circuit is _________?
On
Off
Which is NOT a good conductor?
silver
copper
iron
plastic
Which is NOT a good insulator?
silver
plastic
glass
rubber
In electric bells electric energy transform into ___ energy.
Mechanical energy
magnetic energy
sound energy
Light energy
____ is the positive terminal of an electrical cell.
Metal disc
Metal case
Metal cap
Metal base
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
Electric energy is produced from the ______ within the cell.
Chemicals
Metals
Terminals
None of these
An example of a conductor is
tap water
salt solution
metal wire
all of these
