Answer
Electroscope can be constructed in the following steps :-
1. Connect a metal bulb with a metal rod at one end and a rectangular metal slab at another.
2. The rectangular metal slab should have an attached foil made of aluminium or gold.
3. Insulate this arrangement from its protective glass frame by a non conducting frame. Your arrangement should look like the figure below.
4. To make it positively charged touch the metal bulb with your finger. This will provide a pathway for electrons to escape to ground and we will be left with a positively charged electroscope.
5. If an object is brought near, and the leaves collapse, it means the positive charge is being accumulated in the metal bulb. The positive charge is attracted to the metal bulb.
Work Step by Step
Electroscope can be constructed in the following steps :-
1. Connect a metal bulb with a metal rod at one end and a rectangular metal slab at another.
2. The rectangular metal slab should have an attached foil made of aluminium or gold.
3. Insulate this arrangement from its protective glass frame by a non conducting frame. Your arrangement should look like the figure below.
4. To make it positively charged touch the metal bulb with your finger. This will provide a pathway for electrons to escape to ground and we will be left with a positively charged electroscope.
5. If an object is brought near, and the leaves collapse, it means the positive charge is being accumulated in the metal bulb. The positive charge is attracted to the metal bulb.
