is this wire safe to use?
No, it isn't
Will the bulb turn on?
No, the circuit is not complete.
Where does this object get electricity from?
battery
What is it?
switch on/off
Does this fan use a cell or mains electricity?
It uses mains electricity!
Is it use motor or buzzer?
motor
What is the name of this component?
bulb
is it safe?
No, it isn't
is it use motor or buzzer?
buzzer
is this dangerous?
yes
Where does this object get electricity from?
main electricity