Question

Illustrate electroscope and seismograph and also describe their construction and working ​

Answer 1

Electroscope is used to detect and measure electric charges. WORKING OF AN ELECTROSCOPE :

When a charged object touches the metal knob, electric charges travel down the rod and into the leaves. • The leaves spread apart, indicating the presence of an electric charge.

It is an instrument utilized for identifying and testing the idea of a charge on a body. It comprises of a metal bar which has a metal plate associated with its upper end and two thin gold leaves joined to its lower end.

Electroscopes are commonly used in laboratories and industries for experiments and measuring electric currents. Electroscopes can also be used to detect various types of radiation from radioactive material. The electroscope, the first electrical measuring instrument, was invented by British physician William Gilbert.

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