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10 questions
Which type of circuit is open or closed ?
open circuit
closed circuit
How does the electricity flow from a battery ?
right to left
left to right
positive to negative
negative to positive
Which of the following are conductors of electricity ?
wood
iron nails
cloth
graphite
Which of the following is a safety device for appliances or devices ?
circuit
switch
fuse
Which of the following are not rechargeable cells ?
secondary cells
dry cells
wet cells
primary cells
What do electricians wear while repairing an electric switch ?
rubber gloves
leather gloves
cap
safety glasses
What does the symbol of skull and cross bones refer to
to warn people
to make people joyful
to make people sad
Which of the following is not a part of an electric bulb ?
a glass mount
terminals
powdered manganese dioxide
a filament
How many terminals are there in a cell ?
three terminals
two terminals
four terminals
one terminal
Why does the bulb have an inert gas ?
to explode
it will help to not glow
it will help it to glow
it will not react a
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