Identify and name the device shown in the given picture.
i) Explain its structure and working in detail. iii) Label its parts marked as A,B,C and D. *
Answers
Answer:
It is an ELECTRIC TORCH.
i) It consists of a bulb, electric cells, a switch, a reflector, and a cylindrical shape casing.
Bulb: The bulb emits light when electric current flows through its filament.
Switch: The switch is used to complete and break the circuit inside the torch. In simple words, it is used to turn the torch on and off.
Electric cell: The cell is an electricity-producing device. The required current for the filament of the bulb is supplied by it.
Reflector: The reflector is a curved, silvered mirror. It is used to focus the light in a particular direction.
Casing: The casing is used to provide covering for the basic components of the torch for protection and safe handling.
ii) A= Bulb
B = Switch
C = Plastic Casing
D = Electrical Cells
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Answer:
above answer is correct