Question:
An electroscope is a device which is used to find if an object is
(a) charged
(b) magnetic
(c) free of cracks
(d) hot
Solution:
(a) An electroscope is a device, which is used to test whether an object is charged or not.It consists of closely placed two metallic strips. When both
the strips are charged with similar charges, they repel each other and become wide open.
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