Question

HEYA FRIENDS! !
QUESTION - : Describe the construction,working and usefulness of a dry cell, with diagram. .

Ans fast. . (Ans should be short and meaningful )

Answer 1

A dry cell consists of a zinc container whose base acts as the negative electrode. The carbon rod placed at the centre with a brass cap acts as the positive electrode. This is surrounded by a mixture of manganese dioxide and charcoal in a muslin bag. The electrolyte uses is a moist paste of ammonium chloride. The outer body (excluding the base) of the zinc container is insulated with cardboard.

When the dry cell is connected in a circuit comprising a bulb, current flows in the circuit due to the chemical reaction that takes place in the cell. This makes the bulb glow. The dry cell is a primary cell and it cannot be recharged.

Answer 2

☆$\red {HELLO\:DEAR}$☆

• A dry cell consists of a zinc container whose base acts as the negative electrode.
• The carbon rod placed at the centre with a brass cap which acts as the  positive electrode.
• And this is surrounded by a mixture of manganese dioxide and charcoal in a muslin bag.
• The electrolyte that is uses is a moist paste of ammonium chloride.
• The outer body of the zinc container is insulated with cardboard.
• When the dry cell is connected in a circuit comprising a bulb, current flows in the circuit due to the chemical reaction that takes place in the cell.
• This makes the bulb glow.

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