QII. Observe the diagram given below and then answer the questions that follow:
Fig. 15.1
(a) Identify the device/instrument shown in the above diagram and mention
its function.
(b) What will happen if we touch the metallic disc of this charged device with
our hands?
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a) it's an electroscope . It is used to measure the charge present in a body through the process of conduction . ( small scale experiment )
b) when we touch the metallic disc when it is charged with our hands , the charges will flow through our body as our body is a good conductor and will get absorbed by the earth through earthing and the disc / the whole device will ge neutral .
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