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WorksheetsDISCOVERING ELECTRICITY
Total questions: 16
Worksheet time: 8mins
Two or more cells form a _________.
circuit
battery
bulb
solar cells
Electricity flows from the ________ terminal to the ________ terminal.
positive terminal to bulb
negative terminal to positive terminal
positive terminal to negative terminal
negative terminal to bulb
Car batteries are made up of how many storage cells?
5
7
3
6
The path in which electricity flows is called _______.
wire
insulator
circuit
none of the above
Tall,strong towers carrying cables are known as ________.
electric tower
pylon
electric rods
both (a) and (c)
Choose the things through which electricity does not flow.(note:more than one option can be chosen.)
How many terminals and filament does a bulb have?
two terminals and two filaments
two terminals,no filaments
one terminal and one filament
two terminals and one filament
Electricity does flow through it because
it is a open circuit
it is a closed circuit
the wire is cut
both (a) and (c)
What do you observe
the plug is on
the plug is over loaded
the plug is not overloaded
What is a LED bulb
light-excriting diodes
limited-emitting diodes
light-emitting diodes
light-emitting bulbs
How many terminals does a LED bulb have
2
1
3
0
Cells than can be used only once are known as
secondary cell
first cell
single use cell
primary cell
What is the mixture present inside a dry cell
ammonium dioxide and manganese chloride
ammonium chloride and manganese chloride
ammonium dioxide and manganese dioxide
ammonium chloride and manganese dioxide
Generatores convert ___________ energy to ___________ energy.
chemical to electrical energy
mechanical to chemical energy
mechanical to electeical energy
electrical to mechanical energy
both (a) and (c)
which part of a cell represent positive terminal
zinc container
carbon rod
none of the above
Before discovering electricity fire was made by
wood and metal
coal and wood
stone and wood
wood and brass
